| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 1066 |
94.5%
|
| 1 | Once | 45 |
4%
|
| 2 | Few | 12 |
1.1%
|
| 3 | Many | 5 |
0.4%
|
| Sysmiss | 2471 |