| Value | Category | Cases | |
|---|---|---|---|
| 0 | 18 |
1.7%
|
|
| 1 | 814 |
76.4%
|
|
| 2 | 158 |
14.8%
|
|
| 3 | 59 |
5.5%
|
|
| 4 | 15 |
1.4%
|
|
| 5 | 1 |
0.1%
|
|
| Sysmiss | 8656 |