| Value | Category | Cases | |
|---|---|---|---|
| 0 | 982 |
73.3%
|
|
| 1 | 292 |
21.8%
|
|
| 2 | 56 |
4.2%
|
|
| 3 | 9 |
0.7%
|
|
| 4 | 1 |
0.1%
|
|
| Sysmiss | 160 |