Year	current US$
1990	175414130917.58066
1991	179874991376.455
1992	178082748823.2759
1993	178885467597.62366
1994	165467779883.06842
1995	178837063111.64175
1996	184311626337.02216
1997	197467430917.5957
1998	200337391846.95
1999	208548899699.7322
2000	228529032278.45892
2001	229285293305.62997
2002	236654158452.54196
2003	270382084288.32217
2004	346898307732.4566
2005	424992379969.2537
2006	504228827857.9149
2007	659699569981.7393
2008	851023104298.478
2009	763277528550.6167
2010	793479266770.3422
2011	906199234303.9324
2012	1009097481139.1941
2013	1065866457368.1663
2014	1121904813713.42
2015	1041596405421.458
2016	965927654162.4648
2017	1018922849905.363
2018	1062511796380.7386
2019	1095860140043.9336
2020	915938129560.9417
2021	1048235845304.4277