Roughly 50-years ago, only 4% of Americans said that they had tried cannabis. In the 1970s, roughly 20% of Americans had smoked marijuana. In the 1980s it raised to 30% and by 2015 it hit 40%. It needs to be clarified “have tried” doesn’t mean “is currently consuming”. It simply means that at some point in their lives – probably more recently – have they tried cannabis.