| Value | Category | Cases | |
|---|---|---|---|
| 0 | 212 |
67.3%
|
|
| 1 | 44 |
14%
|
|
| 2 | 36 |
11.4%
|
|
| 3 | 11 |
3.5%
|
|
| 4 | 4 |
1.3%
|
|
| 5 | 5 |
1.6%
|
|
| 9 | 1 |
0.3%
|
|
| 15 | 1 |
0.3%
|
|
| 19 | 1 |
0.3%
|
|
| Sysmiss | 1584 |