| value | category | cases | |
|---|---|---|---|
| 1 | Currently using | 1219 |
33.8%
|
| 2 | Used in last 12 months | 0 |
0%
|
| 3 | Ever used | 418 |
11.6%
|
| 4 | Never used | 1968 |
54.6%
|