| Value | Category | Cases | |
|---|---|---|---|
| 1 | During last 12 months | 40 |
38.1%
|
| 2 | 2 years ago | 15 |
14.3%
|
| 3 | 3 years ago | 9 |
8.6%
|
| 4 | 4 years ago | 2 |
1.9%
|
| 5 | 5 years ago | 7 |
6.7%
|
| 6 | More than 5 years ago | 32 |
30.5%
|
| Sysmiss | 356 |