| Value | Category | Cases | |
|---|---|---|---|
| 0 | 589 |
29.7%
|
|
| 1 | 1108 |
55.9%
|
|
| 2 | 239 |
12.1%
|
|
| 3 | 43 |
2.2%
|
|
| 4 | 3 |
0.2%
|
|
| Sysmiss | 18 |