Colorado Total Marijuana Sales:

  2014	$683,523,739
  2015	$995,591,255
  2016	$1,307,203,473
  2017	$1,507,702,219
  2018*	$1,022,245,511 (Through August 2018)

Source: https://www.fool.com/investing/2018/10/20/theres-no-stopping...

I think it's going to be increasingly difficult for states facing budget shortfalls to ignore this as a potential new source of tax revenue.