| Value | Category | Cases | |
|---|---|---|---|
| -999 | Don't know | 0 |
0%
|
| -888 | Refuse to answer | 0 |
0%
|
| -777 | Not applicable (never) | 0 |
0%
|
| -666 | Other (please specify) | 0 |
0%
|
| 1 | Once per week | 53 |
2.9%
|
| 2 | Several times per week | 105 |
5.7%
|
| 3 | Once per month | 153 |
8.4%
|
| 4 | Several times per month | 332 |
18.2%
|
| 5 | Once per year | 24 |
1.3%
|
| 6 | Irregularly | 1161 |
63.5%
|
| 11 | .R | 3 |