| Value | Category | Cases | |
|---|---|---|---|
| 1 | During last 12 months | 28 |
28%
|
| 2 | 2 years ago | 19 |
19%
|
| 3 | 3 years ago | 9 |
9%
|
| 4 | 4 years ago | 10 |
10%
|
| 5 | 5 years ago | 7 |
7%
|
| 6 | More than 5 years ago | 27 |
27%
|
| Sysmiss | 3942 |