Year	current US$
1996	5226521546.200227
1997	5850720386.63255
1998	6352027132.951462
1999	7707693922.102618
2000	9740724121.017012
2001	10231086801.30432
2002	11405538106.613436
2003	12456360234.483355
2004	15203059697.701004
2005	19062218730.458004
2006	22122182549.978897
2007	24648920995.645798
2008	27657823291.263477
2009	29156942724.62209
2010	49218490809.85277
2011	61730172174.20982
2012	68192718263.87555
2013	70954193163.06102
2014	77019262625.30736
2015	67166846874.30975
2016	73193810835.69914
2017	81189846339.55133
2018	95921198700.74617
2019	104766775469.5193
2020	114408586284.86023
2021	119457443299.1935
2022	134586243945.71188