| Value | Category | Cases | |
|---|---|---|---|
| 0 | 18 |
14%
|
|
| 1 | 77 |
59.7%
|
|
| 2 | 22 |
17.1%
|
|
| 3 | 8 |
6.2%
|
|
| 4 | 2 |
1.6%
|
|
| 6 | 1 |
0.8%
|
|
| 7 | 1 |
0.8%
|
|
| Sysmiss | 6828 |