| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1554 |
74.1%
|
|
| 1 | 394 |
18.8%
|
|
| 2 | 74 |
3.5%
|
|
| 3 | 47 |
2.2%
|
|
| 4 | 16 |
0.8%
|
|
| 8 | 11 |
0.5%
|
|
| Sysmiss | 2442 |