| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1219 |
10.4%
|
|
| 1 | 8263 |
70.8%
|
|
| 2 | 1965 |
16.8%
|
|
| 3 | 206 |
1.8%
|
|
| 4 | 21 |
0.2%
|
|
| Sysmiss | 34 |