| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 878 |
49.4%
|
| 2 | 1 to 2 | 479 |
26.9%
|
| 3 | 3 to 4 | 174 |
9.8%
|
| 4 | 5 to 6 | 64 |
3.6%
|
| 5 | 7 | 184 |
10.3%
|
| Sysmiss | 6 |