| Value | Category | Cases | |
|---|---|---|---|
| -9 | -9. Don't know | 0 | 
                                    
                                    0%
                                 | 
| -8 | -8. Refused | 0 | 
                                    
                                    0%
                                 | 
| -5 | -5. Less than 1 year old | 10 | 
                                    
                                    38.5%
                                 | 
| 2 | 2 | 
                                    
                                    7.7%
                                 | |
| 17 | 1 | 
                                    
                                    3.8%
                                 | |
| 18 | 1 | 
                                    
                                    3.8%
                                 | |
| 22 | 1 | 
                                    
                                    3.8%
                                 | |
| 23 | 2 | 
                                    
                                    7.7%
                                 | |
| 25 | 1 | 
                                    
                                    3.8%
                                 | |
| 27 | 1 | 
                                    
                                    3.8%
                                 | |
| 28 | 2 | 
                                    
                                    7.7%
                                 | |
| 30 | 1 | 
                                    
                                    3.8%
                                 | |
| 34 | 1 | 
                                    
                                    3.8%
                                 | |
| 43 | 2 | 
                                    
                                    7.7%
                                 | |
| 54 | 1 | 
                                    
                                    3.8%
                                 | |
| Sysmiss | 973 |