| Value | Category | Cases | |
|---|---|---|---|
| 0 | 345 |
61.7%
|
|
| 1 | 156 |
27.9%
|
|
| 2 | 40 |
7.2%
|
|
| 3 | 14 |
2.5%
|
|
| 4 | 4 |
0.7%
|
|
| Sysmiss | 2857 |