Year	current US$
1993	24531943670.93643
1994	24872214862.098038
1995	22005343736.879215
1996	20269063049.225216
1997	21832612427.506214
1998	22104226393.530403
1999	17162185395.214842
2000	16847363313.431904
2001	21754533536.467537
2002	23034292716.37417
2003	28196288901.830822
2004	39465896276.6935
2005	52596773780.854904
2006	72744174727.85645
2007	96128533924.10556
2008	109564654757.75073
2009	102163854319.50134
2010	120756856570.86627
2011	145751220087.53012
2012	169909900913.7396
2013	200286466434.1454
2014	188120080941.04065
2015	171957779071.924
2016	129045400397.47485
2017	149251831642.25836
2018	153653964132.36792
2019	161753905045.72348
2020	161763260305.251
2021	176305215099.52277
2022	190208200102.13727