Year	current US$
1990	1047469811.9281
1991	1012011294.48006
1992	1078105062.07535
1993	1002024324.23048
1994	998519455.730104
1995	1107900227.29975
1996	1115020565.75352
1997	976179984.286196
1998	994320280.401808
1999	948217622.994429
2000	840317214.224169
2001	838527935.167423
2002	923516171.210785
2003	1127843918.41608
2004	1212646865.08648
2005	1217825206.77951
2006	1238889794.69992
2007	1404872688.88526
2008	1568626242.72938
2009	1525932351.15297
2010	1481265172.67657
2011	1560467339.57978
2012	1443470816.85452
2013	1420010135.82959
2014	1337687040.22656
2015	1105787841.08795
2016	1012712983.71618
2017	1008360199.86331
2018	1085853888.07595
2019	1073607607.63973
2020	1112707075.85984
2021	1160695174.1832