Value | Category |
---|---|
1 | Every month or more often |
2 | Less than every moth – every quarter |
3 | Less often than every quarter – every 6 months |
4 | Less often than every 6 months – every year |
5 | Less often than every year |
6 | Other,specify |
7 | Don’t know |
8 | Not applicable |
9 | Unspecified |