| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1129 |
35.8%
|
|
| 1 | 1636 |
51.9%
|
|
| 2 | 333 |
10.6%
|
|
| 3 | 51 |
1.6%
|
|
| 4 | 2 |
0.1%
|
|
| Sysmiss | 9085 |