Year	current US$
1991	1308176550.4702787
1992	831627376.1659793
1993	954259432.2443361
1994	892412679.9178882
1995	959720568.8220947
1996	1247483836.1210232
1997	1470951506.1311553
1998	1498047156.6875234
1999	1432916110.637621
2000	1129153527.8974466
2001	1029781747.0849692
2002	1352858475.078741
2003	1495963652.2455995
2004	1785099008.5044985
2005	2032786013.0744746
2006	2293143895.311242
2007	2596502774.4796405
2008	3468562657.7273145
2009	3422926830.509152
2010	3116517363.509453
2011	3871897738.3753734
2012	4258424013.4911437
2013	4171033022.699126
2014	4432620683.1133585
2015	3819860887.0476594
2016	2851588660.553192
2017	3458749805.356896
2018	3835817912.981035
2019	3842476548.8043075
2020	3826762008.2055707
2021	4348332449.400443
2022	4919464782.242424