Year	constant 2015 US$
1990	1449887390.826744
1991	1449887390.826744
1992	1296553797.100877
1993	1246186938.215162
1994	1231920460.692192
1995	1302208395.480152
1996	1304455633.6004608
1997	1273152928.489335
1998	1321376014.7416098
1999	1379090377.290248
2000	1343240319.7474382
2001	1819549048.8707843
2002	1532801464.7193737
2003	1313999786.08789
2004	1304984395.5111215
2005	1319842605.2006931
2006	1388687405.9687436
2007	1440638263.6911776
2008	1587263941.5174475
2009	1589854874.879686
2010	1532219826.617647
2011	1550462112.535448
2012	1588242151.0521698
2013	1595988513.0433521
2014	1644238037.3911598
2015	1708588361.9185922
2016	1625043980.0341687
2017	1583403979.5696223
2018	1607621275.077892
2019	1647727866.0015218
2020	1808207105.8871074
2021	1824043525.1114013
2022	1733017162.1911259
2023	1722151104.9270444