| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2226 |
66.8%
|
|
| 1 | 909 |
27.3%
|
|
| 2 | 168 |
5%
|
|
| 3 | 23 |
0.7%
|
|
| 4 | 5 |
0.2%
|
|
| Sysmiss | 12410 |