Year	current US$
1989	-343015.188288466
1990	7578947.148004232
1991	14209207.640154967
1992	14174393.363869958
1993	22338569.52800394
1994	32744805.272618335
1995	44016925.52411488
1996	47446308.766367726
1997	35079922.300353974
1998	13476257.212702876
1999	10560367.987445382
2000	13417110.941863418
2001	15866748.738454606
2002	98850352.98796858
2003	113757813.54127045
2004	133046522.39877568
2005	153801920.90992472
2006	194252915.66154423
2007	237439246.07410485
2008	306216010.320032
2009	328126433.77242833
2010	403685151.7821305
2011	955656932.7804227
2012	903345748.1098596
2013	1096425123.118337
2014	1218839443.6652243
2015	1521849484.6497319
2016	1835219955.9416344
2017	1939272783.4207935
2018	2022654789.1854355
2019	2043457084.4579961
2020	1935379257.8350227
2021	2062254347.7522044
2022	1661869274.3761015
2023	1478157846.308734