| Value | Category | Cases | |
|---|---|---|---|
| 1 | within past 12 months | 530 |
41.1%
|
| 2 | 1-5 years ago | 341 |
26.5%
|
| 3 | not within past 5 years | 416 |
32.3%
|
| 9 | don't know | 1 |
0.1%
|