Value | Category |
---|---|
0 | Never |
1 | 0-11 months ago |
2 | 12+ months ago |
3 | Yes, but don't remember when |
4 | Yes, but frequency in last 12 months missing |
This site uses cookies to optimize functionality and give you the best possible experience. If you continue to navigate this website beyond this page, cookies will be placed on your browser. To learn more about cookies, click here.