| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 1541 |
96.8%
|
| 1 | Once | 34 |
2.1%
|
| 2 | Few | 11 |
0.7%
|
| 3 | Many | 6 |
0.4%
|
| Sysmiss | 5429 |