| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 6452 |
96.8%
|
| 1 | 186 |
2.8%
|
|
| 2 | 25 |
0.4%
|
|
| 3 | 4 |
0.1%
|
|
| Sysmiss | 1193 |