| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3898 |
67.2%
|
|
| 1 | 1819 |
31.4%
|
|
| 2 | 71 |
1.2%
|
|
| 3 | 8 |
0.1%
|
|
| 8 | 3 |
0.1%
|
|
| 9 | 1 |
0%
|
|
| Sysmiss | 4 |