| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1881 |
88.9%
|
|
| 1 | 160 |
7.6%
|
|
| 2 | 57 |
2.7%
|
|
| 3 | 11 |
0.5%
|
|
| 4 | 6 |
0.3%
|
|
| Sysmiss | 1109 |