| Value | Category | Cases | |
|---|---|---|---|
| 1 | Within the last 12 months | 1079 |
4.2%
|
| 2 | 1 - 2 years ago | 975 |
3.8%
|
| 3 | 2 - 3 years ago | 973 |
3.8%
|
| 4 | More than 3 years ago | 2797 |
10.9%
|
| 5 | Never | 19760 |
77.2%
|