Year	current US$
1990	0
1991	37735849.056603774
1992	-147492625.36873156
1993	163181183.04611084
1994	274789029.53586495
1995	55697296.915802106
1996	79153976.31133673
1997	88503075.57977213
1998	100200096.57170449
1999	79152393.94017735
2000	72101143.88922337
2001	97083204.05768166
2002	120399416.38119438
2003	166069602.23978373
2004	228816081.28979957
2005	266703715.97979444
2006	321276203.55031884
2007	465826556.00623155
2008	651728133.2662921
2009	551933662.715306
2010	635241142.488628
2011	808536233.811109
2012	940496966.0434963
2013	1078263804.4780765
2014	1262889192.1871643
2015	871344808.1547049
2016	722350020.8980081
2017	741203652.695017
2018	767012737.2129848
2019	807177729.8817558
2020	730744272.7347238
2021	857425821.369989
2022	968844831.5327382