| Value | Category | Cases | |
|---|---|---|---|
| 0 | 53 |
14.5%
|
|
| 1 | 80 |
21.9%
|
|
| 2 | 108 |
29.6%
|
|
| 3 | 55 |
15.1%
|
|
| 4 | 38 |
10.4%
|
|
| 5 | 20 |
5.5%
|
|
| 6 | 9 |
2.5%
|
|
| 7 | 2 |
0.5%
|
|
| Sysmiss | 52 |