| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1980 |
84.9%
|
|
| 1 | 265 |
11.4%
|
|
| 2 | 38 |
1.6%
|
|
| 3 | 47 |
2%
|
|
| 888 | 3 |
0.1%
|
|
| Sysmiss | 2496 |