| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2440 |
15.1%
|
|
| 1 | 8625 |
53.2%
|
|
| 2 | 3546 |
21.9%
|
|
| 3 | 1041 |
6.4%
|
|
| 4 | 354 |
2.2%
|
|
| 5 | 140 |
0.9%
|
|
| 6 | 56 |
0.3%
|
|
| Sysmiss | 238 |