| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2427 |
31.8%
|
|
| 1 | 4310 |
56.4%
|
|
| 2 | 882 |
11.5%
|
|
| 3 | 23 |
0.3%
|
|
| 4 | 1 |
0%
|
|
| Sysmiss | 3433 |