| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 | 1490 |
64.8%
|
| 1 | 2 | 691 |
30.1%
|
| 2 | 3 | 103 |
4.5%
|
| 3 | 4 | 12 |
0.5%
|
| 4 | 5 | 3 |
0.1%
|
| Sysmiss | 1 |