| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 1090 |
97.9%
|
| 1 | Once | 16 |
1.4%
|
| 2 | Few | 4 |
0.4%
|
| 3 | Many | 3 |
0.3%
|
| Sysmiss | 2486 |