| Value | Category | Cases | |
|---|---|---|---|
| 0 | 22 |
5.6%
|
|
| 1 | 253 |
64.9%
|
|
| 2 | 85 |
21.8%
|
|
| 3 | 24 |
6.2%
|
|
| 4 | 6 |
1.5%
|
|
| Sysmiss | 329722 |