Table 6.

Number of substance use projects receiving NIH funding from 2011–2017.

Year/key term	2011n = 5 (%)	2012n = 9 (%)	2013 n = 11 (%)	2014 n = 16 (%)	2015 n = 21 (%)	2016 n = 24 (%)	2017 n = 25 (%)	Total unique studies across all years accounting for duplicates n = 50 (%)
Alcohol	2 (40.0)	4 (44.4)	4 (36.4)	12 (75.0)	17 (81.0)	18 (75.0)	14 (56.0)	32 (65)
Smoking/tobacco	4 (80.0)	6 (66.7)	8 (72.7)	10 (62.5)	10 (47.6)	11 (45.8)	14 (56.0)	27 (54)
Marijuana	0 (0.0)	0 (0.0)	0 (0.0)	4 (25.0)	5 (23.8)	5 (20.8)	5 (20.0)	9 (18)
Opioid	0 (0.0)	0 (0.0)	0 (0.0)	2 (12.5)	2 (9.5)	2 (8.3)	0 (0.0)	2 (4)
Cocaine	0 (0.0)	1 (11.1)	1 (9.1)	1 (6.3)	2 (9.5)	2 (8.3)	0 (0.0)	3 (6)
Meth-amphetamine	0 (0.0)	1 (11.1)	1 (9.1)	0 (0.0)	1 (4.8)	1 (4.2)	0 (0.0)	2 (4)
Heroin	0 (0.0)	0 (0.0)	0 (0.0)	1 (6.3)	1 (4.8)	1 (4.2)	0 (0.0)	1 (2)
Ecstasy	0 (0.0)	0 (0.0)	0 (0.0)	1 (6.3)	2 (9.5)	1 (4.2)	0 (0.0)	2 (4)