Year	constant 2010 US$
2010	2541.06141405654
2011	2722.38870201476
2012	2990.56235251423
2013	3229.01531692403
2014	3472.90191485454
2015	3698.92845100108
2016	3939.20455859756
2017	4222.34161774225
2018	4456.12363341384