Daily or Almost Daily Marijuana Use among Persons Aged 12 or Older
In 2012, 7.6 million persons aged 12 or older used marijuana on 20 or more days in the past month, which was an increase from the 5.1 million daily or almost daily past month users in 2007 (Figure 2.15). The number of daily or almost daily users in 2012 represented 40.3 percent of past month marijuana users.