| Value | Category | Cases | |
|---|---|---|---|
| 0 | 39 |
18.9%
|
|
| 1 | 64 |
31.1%
|
|
| 2 | 45 |
21.8%
|
|
| 3 | 28 |
13.6%
|
|
| 4 | 9 |
4.4%
|
|
| 5 | 12 |
5.8%
|
|
| 6 | 1 |
0.5%
|
|
| 7 | 8 |
3.9%
|
|
| Sysmiss | 309 |