| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3504 |
89.7%
|
|
| 1 | 259 |
6.6%
|
|
| 2 | 111 |
2.8%
|
|
| 3 | 31 |
0.8%
|
|
| Sysmiss | 3066 |