Personal Cannabis Preference Is Shaping Consumption — and Forecasts Predict the Market Could Hit $28.9 Billion by 2022 (Infographic) Posted byDebra Borchardt July 25, 2019 Leave a comment on Personal Cannabis Preference Is Shaping Consumption — and Forecasts Predict the Market Could Hit $28.9 Billion by 2022 (Infographic) North American consumers spent an estimated $12.3 billion on legal cannabis in 2018.