| Value | Category | Cases | |
|---|---|---|---|
| 0 | 846 |
23.8%
|
|
| 1 | 658 |
18.5%
|
|
| 2 | 1895 |
53.2%
|
|
| 3 | 161 |
4.5%
|
|
| 999 | 2 |
0.1%
|
|
| Sysmiss | 899 |