| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 1333 |
97.7%
|
| 1 | Once | 18 |
1.3%
|
| 2 | Few | 11 |
0.8%
|
| 3 | Many | 2 |
0.1%
|
| Sysmiss | 5657 |