Value | Category | Cases | |
---|---|---|---|
0 | 3 |
0.2%
|
|
1 | Less than a month | 370 |
22.9%
|
2 | 1-2 months | 765 |
47.3%
|
3 | 2-3 months | 260 |
16.1%
|
4 | More than 3 months | 180 |
11.1%
|
5 | Don't use | 40 |
2.5%
|
Sysmiss | 1981 |