In the following set of questions, "marijuana" refers to both marijuana and hashish (hash). Hashish is a concentrated form of marijuana. Please put an "X" in the box next to the answer that fits you best or write in your answer on the line.
31. When was the most recent time that you used marijuana?
1[] Within the past week (7 days)
2[] More than 1 week but less than 1 month (30 days) ago
3[] 1 or more months ago but less than 1 year ago
4[] 1 or more years ago
8[] I HAVE NEVER used marijuana, not even once