Marijuana Sees Little Increase Over 30 Years
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Year
Percentage of Respondents
Yes
No
1969
1973
1985
1999
2013
0
10
20
30
40
50
60
70
80
90
100
Yes
No
1969
4
88
1973
12
88
1985
33
67
1999
34
66
2013
38
61
Year
Percentage of Respondents
Sources:
gallup.com
