| Value | Category | Cases | |
|---|---|---|---|
| 1 | Within the last 12 months | 308 |
1.2%
|
| 2 | 1 - 2 years ago | 218 |
0.9%
|
| 3 | 2 - 3 years ago | 252 |
1%
|
| 4 | More than 3 years ago | 921 |
3.6%
|
| 5 | Never | 23885 |
93.4%
|