| Value | Category | Cases | |
|---|---|---|---|
| 0 | 946 |
90.5%
|
|
| 1 | 4 |
0.4%
|
|
| 2 | 23 |
2.2%
|
|
| 3 | 72 |
6.9%
|
|
| Sysmiss | 1957 |