| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 1070 |
95.8%
|
| 1 | Once | 31 |
2.8%
|
| 2 | Few | 9 |
0.8%
|
| 3 | Many | 7 |
0.6%
|
| Sysmiss | 2482 |