| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 265 |
15.9%
|
| 2 | This term | 890 |
53.3%
|
| 3 | Last term | 371 |
22.2%
|
| 4 | 2 terms ago | 77 |
4.6%
|
| 5 | 3 terms ago | 30 |
1.8%
|
| 6 | more than 3 years | 37 |
2.2%
|
| Sysmiss | 2 |