| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 1652 |
93.2%
|
| 1 | Once | 72 |
4.1%
|
| 2 | Few | 25 |
1.4%
|
| 3 | Many | 23 |
1.3%
|
| Sysmiss | 5258 |