| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, started using | 23 |
5.2%
|
| 2 | Yes, using before and increased | 34 |
7.6%
|
| 3 | Yes, using before but did not increase | 33 |
7.4%
|
| 4 | Yes, using before but decrease use | 10 |
2.2%
|
| 5 | No, do not use at all | 346 |
77.6%
|