| Value | Category | Cases | |
|---|---|---|---|
| 1 | Within the last 12 months | 383 |
1.5%
|
| 2 | 1 - 2 years ago | 275 |
1.1%
|
| 3 | 2 - 3 years ago | 313 |
1.2%
|
| 4 | More than 3 years ago | 1475 |
5.9%
|
| 5 | Never | 22714 |
90.3%
|