Table 2.
NSDUH, Washington State | |
2009–2010 combined | 13.8% [12.0%, 16.0%] |
2010–2011 combined | 14.9% [12.9%, 17.1%] |
2011–2012 combined | 15.3% [13.3%, 17.5%] |
December 6, 2012, recreational legalization | |
2013–2014 combined | 19.1% [16.9%, 21.4%] |
2014–2015 combined | 17.7% [15.5%, 19.9%] |
NAS, Washington State | |
2009–2010 survey | 19.5% [11.5%, 31.1%] |
2014–2015 survey | 28.6% [18.7%, 41.2%] |