| Value | Category | Cases | |
|---|---|---|---|
| 0 | 48 |
1.3%
|
|
| 1 | 3033 |
81.6%
|
|
| 2 | 377 |
10.1%
|
|
| 3 | 216 |
5.8%
|
|
| 4 | 39 |
1%
|
|
| 9 | 3 |
0.1%
|
|
| Sysmiss | 8520 |