| Value | Category | Cases | |
|---|---|---|---|
| 0 | 220 |
69.8%
|
|
| 1 | 44 |
14%
|
|
| 2 | 36 |
11.4%
|
|
| 3 | 6 |
1.9%
|
|
| 4 | 4 |
1.3%
|
|
| 5 | 2 |
0.6%
|
|
| 9 | 1 |
0.3%
|
|
| 10 | 1 |
0.3%
|
|
| 15 | 1 |
0.3%
|
|
| Sysmiss | 1584 |