| Value | Category | Cases | |
|---|---|---|---|
| 0 | 13 |
2.4%
|
|
| 1 | 55 |
10.2%
|
|
| 2 | 452 |
84%
|
|
| 3 | 8 |
1.5%
|
|
| 4 | 7 |
1.3%
|
|
| 5 | 3 |
0.6%
|
|
| Sysmiss | 1607 |