| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1407 |
65.3%
|
|
| 1 | 528 |
24.5%
|
|
| 2 | 167 |
7.8%
|
|
| 3 | 35 |
1.6%
|
|
| 4 | 17 |
0.8%
|
|
| Sysmiss | 1917 |