| Value | Category | Cases | |
|---|---|---|---|
| 0 | 82 |
23.8%
|
|
| 1 | 204 |
59.3%
|
|
| 2 | 38 |
11%
|
|
| 3 | 14 |
4.1%
|
|
| 4 | 4 |
1.2%
|
|
| 5 | 1 |
0.3%
|
|
| 8 | 1 |
0.3%
|
|
| Sysmiss | 6613 |