Year	current US$
1990	1384521800.85042
1991	1243480249.61326
1992	1240212313.4498
1993	1223575262.32584
1994	1182583586.66206
1995	1270701588.76426
1996	1486319586.49782
1997	1458831415.41315
1998	1401151520.46765
1999	1343098916.66746
2000	1316105533.38967
2001	1242546537.12819
2002	1195455942.62767
2003	1237946783.47295
2004	1260825431.23051
2005	1260736349.46773
2006	1222135238.62916
2007	1273127759.73044
2008	1380979878.7766
2009	1482390187.97881
2010	1593100531.45186
2011	1666114664.09909
2012	1614002581.6051
2013	1678145010.14933
2014	1783842478.27497
2015	1872668307.73324
2016	2365846031.45902
2017	2407487501.55796
2018	2458195240.85312
2019	2505868718.77849
2020	2583111683.41737
2021	2693721184.29102