| Value | Category | Cases | |
|---|---|---|---|
| 0 | 156 |
86.2%
|
|
| 1 | 14 |
7.7%
|
|
| 2 | 6 |
3.3%
|
|
| 3 | 2 |
1.1%
|
|
| 4 | 1 |
0.6%
|
|
| 7 | 2 |
1.1%
|
|
| Sysmiss | 980 |