Year	current US$
1990	52629316414.14972
1991	62509485688.93958
1992	37399909220.7713
1993	41043274839.84898
1994	45199246465.40408
1995	39190364476.58857
1996	35569362431.840324
1997	36980307754.72803
1998	37631077831.39522
1999	38426746332.22541
2000	48721472042.03598
2001	44496945786.78617
2002	48732247308.45345
2003	54498482008.516716
2004	62287586497.65685
2005	72511096561.51787
2006	82807603531.54701
2007	95890368160.38861
2008	120236182331.0175
2009	132817432103.14064
2010	149311630532.93024
2011	163826471667.12036
2012	160028960156.33234
2013	168533992614.52515
2014	175077990775.27243
2015	176831997249.20285
2016	160467680118.4284
2017	165134511568.74237
2018	169002022751.86755
2019	176463145828.80157
2020	171968381156.53586
2021	165013051052.46573
2022	176831447592.33362
2023	208772108457.24173