| Value | Category | Cases | |
|---|---|---|---|
| 1 | During last 12 months | 69 |
46.3%
|
| 2 | 2 years ago | 32 |
21.5%
|
| 3 | 3 years ago | 11 |
7.4%
|
| 4 | 4 years ago | 7 |
4.7%
|
| 5 | 5 years ago | 5 |
3.4%
|
| 6 | More than 5 years ago | 25 |
16.8%
|
| Sysmiss | 246 |