| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3836 |
81.1%
|
|
| 1 | 500 |
10.6%
|
|
| 2 | 237 |
5%
|
|
| 3 | 149 |
3.2%
|
|
| 888 | 8 |
0.2%
|
|
| Sysmiss | 99 |