| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 0 |
0%
|
| -888 | -888 | 23 |
2.5%
|
| 0 | Never | 129 |
14.1%
|
| 1 | Once a year (annually) | 52 |
5.7%
|
| 2 | Twice a year (bi-annually) | 73 |
8%
|
| 3 | 3-4 times a year (quarterly) | 237 |
26%
|
| 4 | Every two months | 69 |
7.6%
|
| 5 | Every month | 231 |
25.3%
|
| 6 | Every two weeks | 30 |
3.3%
|
| 7 | Every week | 25 |
2.7%
|
| 8 | Everyday | 6 |
0.7%
|
| 9 | Other | 37 |
4.1%
|