| Value | Category | Cases | |
|---|---|---|---|
| 0 | 469 |
8.5%
|
|
| 1 | 565 |
10.2%
|
|
| 2 | 608 |
11%
|
|
| 3 | 1763 |
31.8%
|
|
| 4 | 2143 |
38.6%
|
|
| Sysmiss | 3027 |