| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 0 | 
                                    
                                    0%
                                 | 
| 2 | R1-R200 | 2 | 
                                    
                                    0.2%
                                 | 
| 3 | R201-R500 | 0 | 
                                    
                                    0%
                                 | 
| 4 | R501-R1 000 | 9 | 
                                    
                                    0.9%
                                 | 
| 5 | R1 001-R1 500 | 10 | 
                                    
                                    1%
                                 | 
| 6 | R1 501-R2 500 | 32 | 
                                    
                                    3.2%
                                 | 
| 7 | R2 501-R3 500 | 21 | 
                                    
                                    2.1%
                                 | 
| 8 | R3 501-R4 500 | 18 | 
                                    
                                    1.8%
                                 | 
| 9 | R4 501-R6 000 | 7 | 
                                    
                                    0.7%
                                 | 
| 10 | R6 001-R8 000 | 18 | 
                                    
                                    1.8%
                                 | 
| 11 | R8 001-R11 000 | 13 | 
                                    
                                    1.3%
                                 | 
| 12 | R11 001-R16 000 | 9 | 
                                    
                                    0.9%
                                 | 
| 13 | R16 001-R30 000 | 19 | 
                                    
                                    1.9%
                                 | 
| 14 | R30 001 or more | 5 | 
                                    
                                    0.5%
                                 | 
| 15 | Do not know | 28 | 
                                    
                                    2.8%
                                 | 
| 16 | Refuse | 20 | 
                                    
                                    2%
                                 | 
| 88 | Not applicable | 781 | 
                                    
                                    78.3%
                                 | 
| 99 | Unspecified | 6 | 
                                    
                                    0.6%
                                 |