| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.1%
|
|
| 1 | 813 |
36.2%
|
|
| 2 | 197 |
8.8%
|
|
| 3 | 461 |
20.5%
|
|
| 4 | 349 |
15.5%
|
|
| 5 | 240 |
10.7%
|
|
| 6 | 166 |
7.4%
|
|
| 8 | 20 |
0.9%
|
|
| Sysmiss | 2 |