| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 482 |
12.9%
|
| 2 | This term | 1272 |
34.1%
|
| 3 | Last term | 1056 |
28.3%
|
| 4 | One Year ago | 665 |
17.8%
|
| 5 | More than a year ago | 255 |
6.8%
|
| Sysmiss | 131 |