| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3322 |
70%
|
|
| 1 | 990 |
20.9%
|
|
| 2 | 377 |
7.9%
|
|
| 3 | 54 |
1.1%
|
|
| 4 | 4 |
0.1%
|
|
| Sysmiss | 443 |