Year	current US$
1984	3205891273.9451523
1985	3323306848.4666004
1986	3143372305.778145
1987	3257041766.9665413
1988	3609862240.4868073
1989	4156946218.674434
1990	4956881797.9593115
1991	4676733935.794954
1992	5100696611.249619
1993	5471464794.277475
1994	4863148991.354377
1995	4964924715.323422
1996	5703301993.350957
1997	6152445907.512282
1998	6638691937.350944
1999	7927422242.697307
2000	7754062655.850302
2001	8564280298.24055
2002	10132935687.85943
2003	11100348637.373606
2004	13078749546.441185
2005	11665075840.7524
2006	15437086075.373549
2007	16461518808.442266
2008	19543051774.10868
2009	19375889279.893322
2010	22657404870.447994
2011	25635623457.645016
2012	27672494987.597687
2013	28385013053.06524
2014	30977527988.72847
2015	30487623871.362698
2016	30130994652.319252
2017	33658410760.68917
2018	35793498084.643814
2019	38134047082.480225
2020	24339625143.418972
2021	30370068725.717068
2022	41631561392.17549