| Value | Category | Cases | |
|---|---|---|---|
| 0 | 508 | 
                                    
                                    37.5%
                                 | |
| 1 | 314 | 
                                    
                                    23.2%
                                 | |
| 2 | 225 | 
                                    
                                    16.6%
                                 | |
| 3 | 125 | 
                                    
                                    9.2%
                                 | |
| 4 | 61 | 
                                    
                                    4.5%
                                 | |
| 5 | 43 | 
                                    
                                    3.2%
                                 | |
| 6 | 23 | 
                                    
                                    1.7%
                                 | |
| 7 | 21 | 
                                    
                                    1.5%
                                 | |
| 8 | 8 | 
                                    
                                    0.6%
                                 | |
| 9 | 9 | 
                                    
                                    0.7%
                                 | |
| 10 | 9 | 
                                    
                                    0.7%
                                 | |
| 11 | 1 | 
                                    
                                    0.1%
                                 | |
| 12 | 1 | 
                                    
                                    0.1%
                                 | |
| 13 | 1 | 
                                    
                                    0.1%
                                 | |
| 15 | 2 | 
                                    
                                    0.1%
                                 | |
| 17 | 2 | 
                                    
                                    0.1%
                                 | |
| 18 | 2 | 
                                    
                                    0.1%
                                 | |
| 62 | 1 | 
                                    
                                    0.1%
                                 | |
| Sysmiss | .d. don't know | 0 | |
| Sysmiss | .r. refusal | 0 | |
| Sysmiss | .s. skip | 0 | |
| Sysmiss | .x. censored | 0 | |
| Sysmiss | 41 |