| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1099 |
61.6%
|
| 2 | This term | 316 |
17.7%
|
| 3 | Last term | 137 |
7.7%
|
| 4 | 2 terms ago | 49 |
2.7%
|
| 5 | 3 terms ago | 39 |
2.2%
|
| 6 | More than a year ago | 143 |
8%
|
| Sysmiss | 27 |