Year	current US$
1990	1215637530.73907
1991	1356756131.68571
1992	1445823925.07868
1993	1546068311.16088
1994	1638774879.0019
1995	1725765372.91038
1996	1950665403.74858
1997	2088055391.48293
1998	2271197613.6016
1999	2387688019.82318
2000	2455144321.09474
2001	2430900893.11091
2002	2367344968.76467
2003	2682504705.38226
2004	3119187291.23785
2005	3396639415.47338
2006	3798734740.30407
2007	4192886265.48481
2008	4488075091.94876
2009	4324068573.75875
2010	4778853761.47861
2011	5268886273.0743
2012	5529226046.82631
2013	5923626993.64566
2014	6047268154.97273
2015	6452096662.95937
2016	6577560414.07564
2017	6709633358.67709
2018	6930719865.14242
2019	6854936831.35632
2020	6384229885.27047
2021	7518223851.95938