| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2896 |
20.7%
|
|
| 1 | 6779 |
48.4%
|
|
| 2 | 3178 |
22.7%
|
|
| 3 | 821 |
5.9%
|
|
| 4 | 217 |
1.5%
|
|
| 5 | 86 |
0.6%
|
|
| 6 | 37 |
0.3%
|
|
| Sysmiss | 273 |