| Value | Category | Cases | |
|---|---|---|---|
| -9 | DK | 0 |
0%
|
| 1 | Daily | 14 |
5.1%
|
| 2 | Weekly | 18 |
6.6%
|
| 3 | Fortnightly | 1 |
0.4%
|
| 4 | Monthly | 25 |
9.1%
|
| 5 | Quarterly | 5 |
1.8%
|
| 6 | Semi-annually | 0 |
0%
|
| 7 | Yearly | 20 |
7.3%
|
| 8 | None | 191 |
69.7%
|
| Sysmiss | 1804 |