| Value | Category | Cases | |
|---|---|---|---|
| 1 | ONLY ONCE OR TWICE | 1130 |
25.3%
|
| 2 | IN SOME MONTHS BUT NOT EVERY MONTH | 2520 |
56.5%
|
| 3 | ALMOST EVERY MONTH | 770 |
17.3%
|
| 4 | DON'T KNOW | 42 |
0.9%
|
| 5 | REFUSED | 0 |
0%
|
| Sysmiss | 5012 |