| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 651 |
40.4%
|
| 2 | This term | 319 |
19.8%
|
| 3 | Last term | 366 |
22.7%
|
| 4 | 2 terms ago | 46 |
2.9%
|
| 5 | 3 terms ago | 83 |
5.2%
|
| 6 | More than a year ago | 145 |
9%
|
| Sysmiss | 90 |