| Value | Category | Cases | |
|---|---|---|---|
| 0 | 21 |
12.8%
|
|
| 1 | 55 |
33.5%
|
|
| 2 | 51 |
31.1%
|
|
| 3 | 26 |
15.9%
|
|
| 4 | 2 |
1.2%
|
|
| 5 | 7 |
4.3%
|
|
| 6 | 1 |
0.6%
|
|
| 7 | 1 |
0.6%
|
|
| Sysmiss | 316 |