| Value | Category | Cases | |
|---|---|---|---|
| 1 | Everyday | 1 |
0%
|
| 2 | Once a week | 1 |
0%
|
| 3 | Once a month | 2 |
0.1%
|
| 4 | Once a term | 164 |
5.1%
|
| 5 | Once a year | 1377 |
43%
|
| 6 | Unspecified | 244 |
7.6%
|
| 95 | Missing | 3 |
0.1%
|
| 98 | Don't know | 9 |
0.3%
|
| 99 | Expense not incured | 1398 |
43.7%
|