Ratios of Crack Use to Marijuana Use by 10th Grade Students


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Source: Monitoring the Future

Ratios of Crack Use vs Marijuana Use Among 10th Grade Students (1991 - 2005)
Year Lifetime Past Year Past Month
1991 0.073 0.055 0.034
1992 0.070 0.059 0.049
1993 0.074 0.057 0.046
1994 0.069 0.056 0.038
1995 0.082 0.063 0.052
1996 0.083 0.063 0.039
1997 0.085 0.063 0.044
1998 0.098 0.080 0.059
1999 0.098 0.075 0.041
2000 0.092 0.068 0.046
2001 0.077 0.055 0.035
2002 0.093 0.076 0.056
2003 0.074 0.057 0.041
2004 0.074 0.062 0.050
2005 0.073 0.064 0.046
Averages: 0.082 0.063 0.045

Navigate to Other Available Data

10th Grade Crack Use Overview Crack vs Alcohol Use Ratios Comparison Use Ratios vs Both Alcohol & Marijuana
8th Grade Use Ratios vs Marijuana 12th Grade Use Ratios vs Marijuana College Use Ratios vs Marijuana
Age 19 to 28 Use Ratios vs Marijuana Use Across 10th, 10th and 12th Grades Use Across 12th Grade, College Students, and Young Adults

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