| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1-12 months ago | 112 |
21.6%
|
| 2 | 2 years ago | 109 |
21%
|
| 3 | 3 years ago | 88 |
17%
|
| 4 | 4 years ago | 116 |
22.4%
|
| 5 | 5 years ago or more | 91 |
17.5%
|
| 9 | Do not know, do not remember | 3 |
0.6%
|
| Sysmiss | 2317 |