| Value | Category | Cases | |
|---|---|---|---|
| 1 | never | 1103 |
35.4%
|
| 2 | this term | 451 |
14.5%
|
| 3 | Last year | 1249 |
40.1%
|
| 4 | More than a year ago | 312 |
10%
|
| Sysmiss | 32 |