| Value | Category | Cases | |
|---|---|---|---|
| -9 | Missing Data | 7 |
0.4%
|
| 1 | Daily basis | 74 |
4%
|
| 2 | Weekly basis | 190 |
10.1%
|
| 3 | Monthly basis | 761 |
40.6%
|
| 4 | Three to four times a year | 558 |
29.8%
|
| 5 | Once a year | 225 |
12%
|
| 6 | Less than once a year | 58 |
3.1%
|
| Sysmiss | 2127 |