Year	current US$
1975	296569530000
1976	365679270000
1977	359049980000
1978	537565830000
1979	594884660000
1980	784278210000
1981	864209020000
1982	779454000000
1983	1349657660000
1984	1714730610000
1985	2434368320000
1986	4016234690000
1987	6657696430000
1988	5959644058000
1989	6662660190000
1990	5433305330000
1991	4578159230000
1992	4598083940000
1993	6544075570000
1994	7466169340000
1995	9049019740000
1996	11038655320000
1997	15269581810000
1998	19926944460000
1999	29166224800000
2000	43621158750000
2001	31984672260000
2002	25851363650000
2003	26397536640000
2004	32288772820000
2005	40829982990000
2006	51600454010000
2007	75395577520000
2008	74420653570000
2009	53645271514455
2010	56303925717933.805
2011	61287252800000
2012	48644536910000
2013	51607449980000
2014	58202446050000
2015	57796955890000
2016	55161212876067.55
2017	55309561087525.086
2018	65847130680000
2019	51384414630000
2020	62591975070000
2021	68863131890000
2022	62802055130000