| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4143 |
89.5%
|
|
| 1 | 144 |
3.1%
|
|
| 2 | 263 |
5.7%
|
|
| 3 | 78 |
1.7%
|
|
| Sysmiss | 2206 |