| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 | 947 |
48.8%
|
| 1 | 2 | 100 |
5.2%
|
| 2 | 3 | 859 |
44.3%
|
| 3 | 4 | 3 |
0.2%
|
| 4 | 8 | 30 |
1.5%
|
| Sysmiss | 8 |