| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 0 |
0%
|
| -888 | -888 | 23 |
2.5%
|
| 0 | Never | 195 |
21.4%
|
| 1 | Once a year (annually) | 45 |
4.9%
|
| 2 | Twice a year (bi-annually) | 62 |
6.8%
|
| 3 | 3-4 times a year (quarterly) | 129 |
14.1%
|
| 4 | Every two months | 36 |
3.9%
|
| 5 | Every month | 222 |
24.3%
|
| 6 | Every two weeks | 23 |
2.5%
|
| 7 | Every week | 74 |
8.1%
|
| 8 | Everyday | 83 |
9.1%
|
| 9 | Other | 20 |
2.2%
|