| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 35926 |
74.9%
|
| 2 | Weekly | 6810 |
14.2%
|
| 3 | Monthly | 2264 |
4.7%
|
| 4 | Less than once a month | 2588 |
5.4%
|
| 7 | Never | 242 |
0.5%
|
| 8 | Don't know | 130 |
0.3%
|
| 9 | Refused | 26 |
0.1%
|
| Sysmiss | 96104 |