| Value | Category | Cases | |
|---|---|---|---|
| -2 | Don't know | 4 |
1.1%
|
| -1 | Refused | 1 |
0.3%
|
| 1 | Daily | 22 |
5.9%
|
| 2 | Weekly | 156 |
41.9%
|
| 3 | Monthly | 10 |
2.7%
|
| 4 | Seasonally | 179 |
48.1%
|
| Sysmiss | 2627 |