| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 2253 |
90.8%
|
| 2 | Once | 123 |
5%
|
| 3 | Twice | 40 |
1.6%
|
| 4 | 3-4 times | 23 |
0.9%
|
| 5 | 5 times or more | 15 |
0.6%
|
| 8 | DO NOT KNOW | 26 |
1%
|
| Sysmiss | 38 |