| Value | Category | Cases | |
|---|---|---|---|
| 0 | 395 |
10.8%
|
|
| 1 | 2825 |
77.5%
|
|
| 2 | 358 |
9.8%
|
|
| 3 | 59 |
1.6%
|
|
| 4 | 6 |
0.2%
|
|
| Sysmiss | 4 |