| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2148 |
27.9%
|
|
| 1 | 3253 |
42.2%
|
|
| 2 | 1506 |
19.6%
|
|
| 3 | 586 |
7.6%
|
|
| 4 | 157 |
2%
|
|
| 5 | 42 |
0.5%
|
|
| 6 | 8 |
0.1%
|
|
| Sysmiss | 4574 |