| Value | Category | Cases | |
|---|---|---|---|
| 0 | 681 |
17.4%
|
|
| 1 | 1344 |
34.3%
|
|
| 2 | 1280 |
32.6%
|
|
| 3 | 550 |
14%
|
|
| 4 | 66 |
1.7%
|
|
| Sysmiss | 5 |