| Value | Category | Cases | |
|---|---|---|---|
| 0 | 393 |
55.7%
|
|
| 1 | 249 |
35.3%
|
|
| 2 | 46 |
6.5%
|
|
| 3 | 13 |
1.8%
|
|
| 4 | 2 |
0.3%
|
|
| 5 | 3 |
0.4%
|
|
| Sysmiss | 1294 |