| Value | Category | Cases | |
|---|---|---|---|
| 1 | daily | 4553 |
50.3%
|
| 2 | twice a week | 683 |
7.6%
|
| 3 | once a week | 1146 |
12.7%
|
| 4 | every two weeks | 329 |
3.6%
|
| 5 | once a month | 907 |
10%
|
| 6 | every three months | 486 |
5.4%
|
| 7 | every six months | 154 |
1.7%
|
| 8 | once a year | 171 |
1.9%
|
| 9 | less than once a year | 71 |
0.8%
|
| 10 | dead | 545 |
6%
|