| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 211 |
7.5%
|
| 2 | Monthly | 489 |
17.3%
|
| 3 | Quarterly | 242 |
8.5%
|
| 4 | Annually | 198 |
7%
|
| 5 | Not regular | 1651 |
58.3%
|
| 6 | Other | 7 |
0.2%
|
| 7 | Daily | 25 |
0.9%
|
| 8 | Twice a year | 4 |
0.1%
|
| 9 | Fortnightly | 4 |
0.1%
|
| Sysmiss | 27 |