| Value | Category | Cases | |
|---|---|---|---|
| 1 | In the past 12 months | 229 |
4.6%
|
| 2 | Between 1 and 5 years ago | 244 |
4.9%
|
| 3 | Between 5 and 10 years ago | 106 |
2.1%
|
| 4 | More than 10 years ago | 375 |
7.5%
|
| 98 | Don't know | 1316 |
26.3%
|
| 99 | Refuse to answer | 566 |
11.3%
|
| Missing value | 2171 |
43.4%
|