| Value | Category | Cases | |
|---|---|---|---|
| 1 | Within the last 12 months | 971 |
12%
|
| 2 | 1-2 years ago | 558 |
6.9%
|
| 3 | 2-3 years ago | 464 |
5.7%
|
| 4 | More than 3 years ago | 1769 |
21.9%
|
| 5 | Never | 4324 |
53.5%
|