Year	current US$
1984	67950522.5525978
1985	64198331.4419683
1986	103053911.653807
1987	174059038.741041
1988	221365693.539563
1989	354620866.342483
1990	520624844.411252
1991	650685700.737487
1992	1301729869.41305
1993	1569065634.34806
1994	1966349230.24805
1995	2256563500.53362
1996	2422172297.80611
1997	2532769529.53705
1998	2462574718.98144
1999	2857387350.24797
2000	3323014302.25176
2001	3508440974.68654
2002	3800343591.27577
2003	4343370556.09048
2004	5436107122.79169
2005	6689436716.70569
2006	9132102574.35142
2007	13229919966.1443
2008	15930121266.7869
2009	18350321740.6545
2010	23726490181.8908
2011	34026184616.5378
2012	16600225450.9018
2013	16145878199.0284
2014	16444386287.6882
2015	18890787008.0417
2016	19491696000
2017	20169663000
2018	20281241000
2019	22214954000
2020	25144935000
2021	26664872000
2022	25970915000
2023	27770639000