Year	constant 2015 US$
2000	9530313.75837687
2001	9446698.393646546
2002	9809599.093248488
2003	9966589.921682153
2004	10303297.500127263
2005	11537225.607223723
2006	12395094.446168138
2007	11223605.504529042
2008	11501546.220386442
2009	10515552.694723891
2010	9951656.971176611
2011	9674348.7366291
2012	9341171.79668794
2013	9763382.167120816
2014	9122997.225728955
2015	8590920.65429688
2016	9235614.195743557
2017	10294274.86328049
2018	9894487.529333385
2019	9343768.022758832
2020	8397196.780493867
2021	8079801.823284208
2022	8111748.568725516