Year	current US$
1991	1783790645.730682
1992	1359969426.445846
1993	1436752036.5945604
1994	1510706824.1781025
1995	1572812893.7617881
1996	1799712910.7378452
1997	2188499922.4244328
1998	2507101251.471315
1999	2674398643.2369437
2000	2691605501.9964275
2001	2657257266.9705777
2002	2978029814.8189054
2003	3121327424.3367968
2004	3713067743.57929
2005	4241822668.7391443
2006	4378065467.992143
2007	5088533696.207801
2008	6024608794.286176
2009	5650702699.658046
2010	5306313995.138824
2011	6878359792.346118
2012	7943998139.215812
2013	8285598073.29969
2014	8529596033.36084
2015	7557127110.243353
2016	5398265762.244313
2017	5377457784.680668
2018	5915984208.9001045
2019	6275372928.13892
2020	5763587255.452386
2021	6311042225.616741
2022	7466149942.18685