Year	current US$
1988	46989152325.64633
1989	49442190033.62945
1990	55268810426.068344
1991	63762945800.96173
1992	61955211372.41945
1993	68159181944.36443
1994	68434530022.41949
1995	75552200643.11203
1996	78454402554.22858
1997	79511275073.5479
1998	82617583889.61414
1999	85251377912.89948
2000	90405849470.93262
2001	90514295736.1259
2002	96847917909.79236
2003	108820222325.20175
2004	131537369930.9057
2005	159166746185.1161
2006	184440337887.38867
2007	225320071001.25024
2008	276888242639.60364
2009	249161478035.3459
2010	286026463754.76117
2011	338116499120.7056
2012	355963590748.1214
2013	379922792965.72003
2014	385457401408.8239
2015	364251247273.6132
2016	349589675431.5172
2017	380624206121.31976
2018	428103069471.0196
2019	431509072802.7324
2020	390673013031.32416
2021	467867255940.7711
2022	562121446252.5425
2023	534203677974.8641