| Value | Category | Cases | |
|---|---|---|---|
| 1 | Everyday | 8 |
0.3%
|
| 2 | Once a week | 6 |
0.2%
|
| 3 | Once a month | 938 |
29.3%
|
| 4 | Once a term | 562 |
17.6%
|
| 5 | Once a year | 88 |
2.8%
|
| 6 | Unspecified | 17 |
0.5%
|
| 95 | Missing | 2 |
0.1%
|
| 98 | Don't know | 19 |
0.6%
|
| 99 | Expense not incured | 1559 |
48.7%
|