| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1248 |
51.3%
|
| 2 | In this term | 353 |
14.5%
|
| 3 | In the last term | 523 |
21.5%
|
| 4 | More than one year | 307 |
12.6%
|
| Sysmiss | 27 |