| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 2757 |
99%
|
| 2 | During last 3 months | 8 |
0.3%
|
| 3 | During last 6 months | 1 |
0%
|
| 4 | During last year | 5 |
0.2%
|
| 5 | More than one year ago | 14 |
0.5%
|
| Sysmiss | 14 |