Year	current US$
1990	13450206.76
1991	13797774.31
1992	15708196.64
1993	14536033.63
1994	14898057.94
1995	15604817.6428179
1996	13513673.2904728
1997	13303062.0552761
1998	11215053.0129828
1999	9901885.80460058
2000	9161114.18078652
2001	8454651.75410639
2002	7555142.47621051
2003	11791151.9816061
2004	14594461.8082208
2005	17498634.6327054
2006	16442777.0484392
2007	15682090.9432008
2008	13563415.9682696
2009	76511274.5893722
2010	69207299.2302732
2011	78755190.5167114
2012	80114673.1338055
2013	64103034.9519807
2014	80721935.1055502
2015	46673693.3503089
2016	66479264.6968217
2017	48292447.4746354
2018	53670691.329037
2019	65593517.2338819
2020	64026883.0532919
2021	46483320.8726388
2022	53838027.593387
2023	61866626.739502