| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3155 |
92%
|
|
| 1 | 252 |
7.4%
|
|
| 2 | 19 |
0.6%
|
|
| 3 | 2 |
0.1%
|
|
| Sysmiss | 219 |