| Value | Category | Cases | |
|---|---|---|---|
| 1 | Within the last 12 months | 683 |
2.3%
|
| 2 | 1 - 2 years ago | 483 |
1.6%
|
| 3 | 2 - 3 years ago | 371 |
1.2%
|
| 4 | More than 3 years ago | 2072 |
7%
|
| 5 | Never | 26182 |
87.9%
|