| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1308 |
37.4%
|
|
| 1 | 1103 |
31.6%
|
|
| 2 | 711 |
20.3%
|
|
| 3 | 283 |
8.1%
|
|
| 4 | 58 |
1.7%
|
|
| 5 | 20 |
0.6%
|
|
| 6 | 11 |
0.3%
|
|
| Sysmiss | 224 |