| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1947 |
83.5%
|
|
| 1 | 316 |
13.5%
|
|
| 2 | 42 |
1.8%
|
|
| 3 | 22 |
0.9%
|
|
| 888 | 6 |
0.3%
|
|
| Sysmiss | 2496 |