Year	current US$
2000	7407372.643315218
2001	6842609.590825008
2002	6808130.8237846745
2003	9920276.639046906
2004	12028535.402256714
2005	12030352.933274653
2006	12229532.540394802
2007	14595591.117328817
2008	16693074.571361555
2009	15454189.234722804
2010	16094200.333460934
2011	17803107.6836682
2012	19169046.984789055
2013	18699901.992206637
2014	17589350.38507523
2015	14323811.417445818
2016	15120296.520685956
2017	16787062.281772293
2018	17584412.6511485
2019	16489859.528809814
2020	16173496.902501788
2021	17741104.650962118
2022	16532863.617927454
2023	18057186.07785958