| Value | Category | Cases | |
|---|---|---|---|
| 0 | 226 |
47.3%
|
|
| 1 | 208 |
43.5%
|
|
| 2 | 36 |
7.5%
|
|
| 3 | 7 |
1.5%
|
|
| 4 | 1 |
0.2%
|
|
| Sysmiss | 1779 |