| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 367 |
15.9%
|
| 2 | This term | 459 |
19.9%
|
| 3 | Last term | 627 |
27.2%
|
| 4 | 2 terms ago | 355 |
15.4%
|
| 5 | 3 terms ago | 245 |
10.6%
|
| 6 | More than a year ago | 253 |
11%
|
| Sysmiss | 7 |