claim: "fifty percent of the graduating class of the year 2012 will have smoked marijuana or have done illegal drugs."
author: gary johnson
evidence_1: all material appearing in this report is in the public domain and may be ....  college students . ..... illicit drug or alcohol use treatment and treatment need .  ..... past year initiates of marijuana and any illicit drug among persons aged 12  or. older ... 10th, and 12th graders in mtf and nsduh: percentages, 2012 and  2013 .
evidence_2: apr 26, 2012 ... "fifty percent of the graduating class of the year 2012 will have smoked  marijuana or have done illegal drugs." libertarian presidential ...
evidence_3: dec 17, 2018 ... this graph shows the percent of students reporting any illicit drug use other than  ... interestingly, teens also think these drugs are not as easy to get as they used to  be. ... past-year use of marijuana reached its lowest levels in more than two .... to  2.9 percent among 10th graders since first assessed in 2012.
evidence_4: "fifty percent of the graduating class of the year 2012 will have smoked  marijuana or have done illegal drugs." — politifact georgia on wednesday,  march 7th, ...
evidence_5: sep 8, 2014 ... half (51 percent) of all full-time college students today have used an illicit drug ...  students enrolled full time in a 2- or 4-year college in spring 2013. ... marijuana  has remained the most widely used illicit drug over the 34 ... 1990 to 1994, fewer  than one in 50 college students used marijuana that frequently.”.