| Value | Category | Cases | |
|---|---|---|---|
| 0 | 258 |
36.3%
|
|
| 1 | 252 |
35.4%
|
|
| 2 | 143 |
20.1%
|
|
| 3 | 41 |
5.8%
|
|
| 4 | 9 |
1.3%
|
|
| 5 | 4 |
0.6%
|
|
| 7 | 4 |
0.6%
|
|
| Sysmiss | 15286 |