| Value | Category | Cases | |
|---|---|---|---|
| 0 | 73 |
7.3%
|
|
| 1 | 244 |
24.4%
|
|
| 2 | 545 |
54.6%
|
|
| 3 | 134 |
13.4%
|
|
| 4 | 2 |
0.2%
|
|
| Sysmiss | 1 |