| Value | Category | Cases | |
|---|---|---|---|
| 1 | NEVER | 3554 |
6.1%
|
| 2 | ONCE PER YEAR | 5182 |
8.9%
|
| 3 | ONCE A TERM | 36183 |
62.2%
|
| 4 | ONCE OR MORE PER MONTH | 13278 |
22.8%
|
| 9 | OMITTED | 0 |
0%
|
| Sysmiss | 3199 |