| Value | Category | Cases | |
|---|---|---|---|
| 1 | NEVER | 4045 |
6.6%
|
| 2 | ONCE PER YEAR | 6008 |
9.8%
|
| 3 | ONCE A TERM | 37428 |
61.1%
|
| 4 | ONCE OR MORE PER MONTH | 13726 |
22.4%
|
| 9 | OMITTED | 0 |
0%
|
| Sysmiss | 189 |