| Value | Category | Cases | |
|---|---|---|---|
| 1 | Monthly | 700 |
8.5%
|
| 2 | Quarterly | 211 |
2.6%
|
| 3 | Half-yearly | 100 |
1.2%
|
| 4 | Annually | 215 |
2.6%
|
| 5 | Never | 6787 |
82.8%
|
| 6 | Don't Know | 186 |
2.3%
|
| Sysmiss | 15283 |