| Value | Category | Cases | |
|---|---|---|---|
| -9 | DK | 0 |
0%
|
| 1 | Daily | 66 |
10.6%
|
| 2 | Weekly | 67 |
10.8%
|
| 3 | Fortnightly | 7 |
1.1%
|
| 4 | Monthly | 66 |
10.6%
|
| 5 | Quarterly | 14 |
2.3%
|
| 6 | Semi-annually | 3 |
0.5%
|
| 7 | Yearly | 75 |
12.1%
|
| 8 | None | 322 |
51.9%
|
| Sysmiss | 1458 |