| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 1355 |
98.7%
|
| 1 | Once | 14 |
1%
|
| 2 | Few | 3 |
0.2%
|
| 3 | Many | 1 |
0.1%
|
| Sysmiss | 5648 |