| Value | Category | Cases | |
|---|---|---|---|
| 0 | 252 |
61.3%
|
|
| 1 | 130 |
31.6%
|
|
| 2 | 20 |
4.9%
|
|
| 3 | 3 |
0.7%
|
|
| 4 | 4 |
1%
|
|
| 6 | 1 |
0.2%
|
|
| 7 | 1 |
0.2%
|
|
| Sysmiss | 2138 |