| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 2165 |
18.5%
|
| 2 | This term | 3651 |
31.2%
|
| 3 | Last term | 3002 |
25.6%
|
| 4 | 2 terms ago | 373 |
3.2%
|
| 5 | 3 terms ago | 246 |
2.1%
|
| 6 | More than a year ago | 2268 |
19.4%
|
| Sysmiss | 241 |