| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6227 |
50.9%
|
|
| 1 | 3735 |
30.5%
|
|
| 2 | 1592 |
13%
|
|
| 3 | 496 |
4.1%
|
|
| 4 | 148 |
1.2%
|
|
| 5 | 37 |
0.3%
|
|
| Sysmiss | 1996 |