| Value | Category | Cases | |
|---|---|---|---|
| 1 | Within the last 3 months | 5208 |
74.4%
|
| 2 | Between 3 months and a year ago | 59 |
0.8%
|
| 3 | More than a year ago | 161 |
2.3%
|
| 4 | Never used it | 1572 |
22.5%
|