| Value | Category | Cases | |
|---|---|---|---|
| 0 | 12 |
4.2%
|
|
| 1 | 161 |
56.5%
|
|
| 2 | 87 |
30.5%
|
|
| 3 | 17 |
6%
|
|
| 4 | 6 |
2.1%
|
|
| 9 | 1 |
0.4%
|
|
| 12 | 1 |
0.4%
|
|
| Sysmiss | 4 |