Behind the $563 million number from marijuana taxes for Washington State in FY 2015

I-502 Final Assumptions 2012 has some of the thinking behind the big number.  I can’t find that document elsewhere on the web.  The official estimate is Multiple Agency Fiscal Note Summary, Bill 502 XIL, Mar. 20, 2012, available athttp://www.thestranger.com/images/blogimages/2012/03/20/1332288897-partial_fiscal_note_-_032012.pdf.