| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 220 |
10.4%
|
| 2 | This term | 654 |
30.8%
|
| 3 | Last term | 585 |
27.6%
|
| 4 | 2 terms ago | 287 |
13.5%
|
| 5 | 3 terms ago | 377 |
17.8%
|
| 6 | More than a year ago | 0 |
0%
|
| Sysmiss | 27 |