| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2120 |
29.3%
|
|
| 1 | 3763 |
51.9%
|
|
| 2 | 1129 |
15.6%
|
|
| 3 | 184 |
2.5%
|
|
| 4 | 48 |
0.7%
|
|
| 11 | 3 |
0%
|
|
| Sysmiss | 36433 |