| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 6526 |
78.8%
|
| 2 | 1 to 2 | 926 |
11.2%
|
| 3 | 3 to 4 | 289 |
3.5%
|
| 4 | 5 to 6 | 218 |
2.6%
|
| 5 | 7 | 319 |
3.9%
|
| Sysmiss | 247 |