| Value | Category | Cases | |
|---|---|---|---|
| 1 | Once | 40 |
22.1%
|
| 2 | Twice | 32 |
17.7%
|
| 3 | Three times or more | 106 |
58.6%
|
| 98 | Don't Know | 3 |
1.7%
|
| Sysmiss | 33269 |