Year	current US$
1993	5154000
1994	251926000
1995	506657000
1996	664711000
1997	738459000.095
1998	622585676.8182553
1999	449450853.8434917
2000	576640472.0731983
2001	1441853048.8943539
2002	2058499357.702679
2003	3305609330.178071
2004	6317907124.497859
2005	10115944955.409018
2006	16679995800.114464
2007	26450971276.084354
2008	36734907826.381996
2009	27270216369.206726
2010	28115724869.981434
2011	33907516011.39232
2012	40929682085.68347
2013	47756222070.70313
2014	43673375081.1844
2015	27990191446.888237
2016	23119548663.489254
2017	27523047466.14976
2018	29523245761.34887
2019	29617994198.80968
2020	23814028425.389904
2021	25179805937.93439
2022	16782588255.221111