| Value | Category | Cases | |
|---|---|---|---|
| 1.6 | 7 | 
                                    
                                    0.3%
                                 | |
| 1.7 | 2 | 
                                    
                                    0.1%
                                 | |
| 1.8 | 2 | 
                                    
                                    0.1%
                                 | |
| 1.9 | 1 | 
                                    
                                    0%
                                 | |
| 2 | 14 | 
                                    
                                    0.6%
                                 | |
| 2.05 | 1 | 
                                    
                                    0%
                                 | |
| 2.1 | 1 | 
                                    
                                    0%
                                 | |
| 2.2 | 5 | 
                                    
                                    0.2%
                                 | |
| 2.3 | 2 | 
                                    
                                    0.1%
                                 | |
| 2.4 | 4 | 
                                    
                                    0.2%
                                 | |
| 2.5 | 163 | 
                                    
                                    6.9%
                                 | |
| 2.6 | 37 | 
                                    
                                    1.6%
                                 | |
| 2.7 | 6 | 
                                    
                                    0.3%
                                 | |
| 2.8 | 8 | 
                                    
                                    0.3%
                                 | |
| 2.95 | 1 | 
                                    
                                    0%
                                 | |
| 3 | 45 | 
                                    
                                    1.9%
                                 | |
| 3.03 | 1 | 
                                    
                                    0%
                                 | |
| 3.05 | 1 | 
                                    
                                    0%
                                 | |
| 3.1 | 9 | 
                                    
                                    0.4%
                                 | |
| 3.2 | 14 | 
                                    
                                    0.6%
                                 | |
| 3.3 | 66 | 
                                    
                                    2.8%
                                 | |
| 3.35 | 3 | 
                                    
                                    0.1%
                                 | |
| 3.4 | 36 | 
                                    
                                    1.5%
                                 | |
| 3.5 | 128 | 
                                    
                                    5.5%
                                 | |
| 3.55 | 1 | 
                                    
                                    0%
                                 | |
| 3.6 | 50 | 
                                    
                                    2.1%
                                 | |
| 3.7 | 22 | 
                                    
                                    0.9%
                                 | |
| 3.8 | 21 | 
                                    
                                    0.9%
                                 | |
| 3.9 | 1 | 
                                    
                                    0%
                                 | |
| 4 | 46 | 
                                    
                                    2%
                                 | |
| 4.02 | 1 | 
                                    
                                    0%
                                 | |
| 4.03 | 1 | 
                                    
                                    0%
                                 | |
| 4.05 | 1 | 
                                    
                                    0%
                                 | |
| 4.07 | 5 | 
                                    
                                    0.2%
                                 | |
| 4.1 | 7 | 
                                    
                                    0.3%
                                 | |
| 4.2 | 20 | 
                                    
                                    0.9%
                                 | |
| 4.3 | 22 | 
                                    
                                    0.9%
                                 | |
| 4.4 | 10 | 
                                    
                                    0.4%
                                 | |
| 4.45 | 1 | 
                                    
                                    0%
                                 | |
| 4.5 | 53 | 
                                    
                                    2.3%
                                 | |
| 4.6 | 43 | 
                                    
                                    1.8%
                                 | |
| 4.7 | 188 | 
                                    
                                    8%
                                 | |
| 4.8 | 98 | 
                                    
                                    4.2%
                                 | |
| 4.85 | 1 | 
                                    
                                    0%
                                 | |
| 4.9 | 19 | 
                                    
                                    0.8%
                                 | |
| 5 | 144 | 
                                    
                                    6.1%
                                 | |
| 5.03 | 2 | 
                                    
                                    0.1%
                                 | |
| 5.04 | 1 | 
                                    
                                    0%
                                 | |
| 5.05 | 12 | 
                                    
                                    0.5%
                                 | |
| 5.1 | 15 | 
                                    
                                    0.6%
                                 | |
| 5.2 | 40 | 
                                    
                                    1.7%
                                 | |
| 5.3 | 149 | 
                                    
                                    6.3%
                                 | |
| 5.35 | 1 | 
                                    
                                    0%
                                 | |
| 5.4 | 36 | 
                                    
                                    1.5%
                                 | |
| 5.5 | 390 | 
                                    
                                    16.6%
                                 | |
| 5.55 | 2 | 
                                    
                                    0.1%
                                 | |
| 5.6 | 54 | 
                                    
                                    2.3%
                                 | |
| 5.7 | 10 | 
                                    
                                    0.4%
                                 | |
| 5.8 | 22 | 
                                    
                                    0.9%
                                 | |
| 6 | 48 | 
                                    
                                    2%
                                 | |
| 6.03 | 2 | 
                                    
                                    0.1%
                                 | |
| 6.05 | 1 | 
                                    
                                    0%
                                 | |
| 6.2 | 24 | 
                                    
                                    1%
                                 | |
| 6.3 | 128 | 
                                    
                                    5.5%
                                 | |
| 6.35 | 1 | 
                                    
                                    0%
                                 | |
| 6.4 | 16 | 
                                    
                                    0.7%
                                 | |
| 6.5 | 53 | 
                                    
                                    2.3%
                                 | |
| 6.7 | 1 | 
                                    
                                    0%
                                 | |
| 6.8 | 5 | 
                                    
                                    0.2%
                                 | |
| 7 | 5 | 
                                    
                                    0.2%
                                 | |
| 8 | 1 | 
                                    
                                    0%
                                 | |
| 77 | Refuse to answer | 15 | 
                                    
                                    0.6%
                                 | 
| 99 | Do not know | 1 | 
                                    
                                    0%
                                 | 
| Sysmiss | 3873 |