| Value | Category | Cases | |
|---|---|---|---|
| 1 | During the last six months | 16 |
21.6%
|
| 2 | During the last 1 year | 7 |
9.5%
|
| 3 | One year ago | 6 |
8.1%
|
| 4 | 2-3 years ago | 25 |
33.8%
|
| 5 | 5 years ago | 8 |
10.8%
|
| 6 | More than 5 years ago | 12 |
16.2%
|
| 888 | Don't Know | 0 |
0%
|
| Sysmiss | Not applicable | 0 | |
| Sysmiss | Others | 0 | |
| Sysmiss | Don't know | 0 | |
| Sysmiss | Can't reveal | 0 | |
| Sysmiss | 4129 |