| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 630 |
58.1%
|
| 2 | 1 to 2 | 251 |
23.2%
|
| 3 | 3 to 4 | 82 |
7.6%
|
| 4 | 5 to 6 | 30 |
2.8%
|
| 5 | 7 | 91 |
8.4%
|
| Sysmiss | 7 |