Year	current US$
1979	125900000
1980	146600000
1981	152600000
1982	157000000
1983	179000000
1984	254000000
1985	303100000
1986	322800000
1987	335400000
1989	432935000
1990	425262000
1991	454804000
1992	476032000
1993	410432000
1994	497920000
1995	523457000
1996	555122000
1997	613900000
1998	663300000
1999	715600000
2000	780900000
2001	790500000
2002	752200000
2003	776100000
2004	768700000
2005	782000000
2006	918400000
2007	986400000
2008	1039500000
2009	873900000
2010	843700000
2011	959900000
2012	959900000
2013	683500000
2014	709300000
2015	1130700000
2016	1192600000
2017	1298700000
2018	1354300000
2019	1642200000
2020	929100000
2021	1353500000
2022	1595400000
2023	1725100000