| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1957 |
74.6%
|
|
| 1 | 513 |
19.6%
|
|
| 2 | 126 |
4.8%
|
|
| 3 | 24 |
0.9%
|
|
| 4 | 3 |
0.1%
|
|
| Sysmiss | 15 |