Variable	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018a	2019
Total spending ($, in millions)	577.0	483.7	455.6	447.6	464.9	509.5	614.2	814.4	1014.6	–	1278.7
Branded ($, in millions)	547.2	462.1	431.5	419.4	435.4	473.1	558.3	743.4	939.2	–	1193.4
Generic ($, in millions)	29.8	21.6	24.1	28.2	29.4	36.4	55.9	71.0	75.3	–	85.3
Patient spending ($, in millions)	174.2	133.5	108.6	93.5	81.0	63.9	48.7	51.3	51.9	–	53.8
Branded ($, in millions)	169.5	129.4	103.5	87.7	74.7	57.1	39.5	40.4	40.7	–	41.7
Generic ($, in millions)	4.6	4.1	5.2	5.8	6.4	6.8	9.2	10.9	11.2	–	12.0
Patient % of total spend	30%	28%	24%	21%	17%	13%	8%	6%	5%	–	4%

^a2018 data were unavailable. Spending was adjusted to 2019 dollars.