Year	current US$
1995	15620257544.797
1996	17597624598.5695
1997	18885517176.6987
1998	18229041142.5115
1999	17498086059.5649
2000	18486664885.8328
2001	17801012521.6959
2002	14049396413.0228
2003	14527733811.6153
2004	16022285621.3797
2005	19778604168.2697
2006	24155338336.5528
2007	26862424263.8594
2008	26849418312.5438
2009	25593366711.6342
2010	32257541820.3724
2011	37682990939.9645
2012	33536652928.4261
2013	43934457873.5087
2014	52067491989.824
2015	50964153399.627
2016	53481425605.8379
2017	60604723232.5599
2018	62891051145.1563
2019	69925727498.4002
2020	77331226463.5511
2021	92821153452.8862