| Value | Category | Cases | |
|---|---|---|---|
| 1 | DAILY | 495 |
3.4%
|
| 2 | WEEKLY | 1099 |
7.5%
|
| 3 | MONTHLY | 1901 |
12.9%
|
| 4 | A FEW TIMES A YEAR | 2290 |
15.6%
|
| 5 | NEVER | 8648 |
58.9%
|
| 9 | NO RESPONSE | 52 |
0.4%
|
| Sysmiss | 205 |
1.4%
|