| Value | Category | Cases | |
|---|---|---|---|
| 1 | Within the last 12 months | 92 |
9.2%
|
| 2 | 1 - 2 years ago | 108 |
10.8%
|
| 3 | 2 - 3 years ago | 77 |
7.7%
|
| 4 | More than 3 years ago | 158 |
15.8%
|
| 5 | Never | 564 |
56.5%
|