Year	constant 2021 US$
1979	44560001.373291
1980	159330001.831055
1981	1219689941.40625
1982	1288410034.17969
1983	1654750000
1984	1987680053.71094
1985	2392520019.53125
1986	2097459960.9375
1987	2319070068.35938
1988	3027250000
1989	3254649902.34375
1990	2982020019.53125
1991	2731810058.59375
1992	3899350097.65625
1993	4090639892.57813
1994	3727520019.53125
1995	3769979980.46875
1996	3173449951.17188
1997	2760760009.76563
1998	3193689941.40625
1999	2944459960.9375
2000	2291479980.46875
2001	2081239990.23438
2002	1997770019.53125
2003	1608020019.53125
2004	1849869995.11719
2005	1933520019.53125
2006	1419150024.41406
2007	1808209960.9375
2008	1756040039.0625
2009	1507979980.46875
2010	762090026.855469
2011	-522580017.089844
2012	60630001.0681152
2013	-609760009.765625
2014	-947260009.765625
2015	-300260009.765625
2016	-738859985.351563
2017	-1006739990.23438
2018	-697080017.089844
2019	-567679992.675781
2020	-519619995.117188
2021	-564140014.648438
2022	-380579986.57226604