| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3620 |
84.8%
|
|
| 1 | 306 |
7.2%
|
|
| 2 | 86 |
2%
|
|
| 3 | 13 |
0.3%
|
|
| 4 | 2 |
0%
|
|
| 10 | 1 |
0%
|
|
| 99 | ND | 239 |
5.6%
|
| Sysmiss | 63 |