| Value | Category | Cases | |
|---|---|---|---|
| 0 | 5 |
1.4%
|
|
| 1 | 292 |
78.9%
|
|
| 2 | 61 |
16.5%
|
|
| 3 | 12 |
3.2%
|
|
| Sysmiss | 2010 |