Year	current US$
1990	19817923035.843178
1991	14444213919.862259
1992	14267106463.693012
1993	14439020929.02324
1994	16389101593.526867
1995	21352224019.409626
1996	21507232648.725212
1997	20763101740.696278
1998	22146231967.686092
1999	22711384311.14041
2000	20289627636.676712
2001	20876309970.385
2002	23489890274.314217
2003	29634713641.096844
2004	34414784504.235176
2005	36206395970.65041
2006	39481045038.2637
2007	48067401207.397804
2008	55779427739.66093
2009	50567734885.961296
2010	48208240226.450096
2011	51583869785.18493
2012	46577793184.003136
2013	48415657264.875824
2014	49997186439.09159
2015	43107506024.32537
2016	44766722790.5826
2017	48589100043.095375
2018	54177882425.8431
2019	54386654313.96854
2020	53734526854.22894
2021	61832201543.82846
2022	60063475466.34459
2023	68216781410.52277