| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 1476 |
96.5%
|
| 1 | Once | 36 |
2.4%
|
| 2 | Few | 15 |
1%
|
| 3 | Many | 3 |
0.2%
|
| Sysmiss | 5500 |