| Value | Category | Cases | |
|---|---|---|---|
| 0 | 31 |
0.8%
|
|
| 1 | 1041 |
27.5%
|
|
| 2 | 2157 |
57%
|
|
| 3 | 551 |
14.6%
|
|
| 4 | 2 |
0.1%
|
|
| Sysmiss | 2539 |