Year	current US$
1993	32443125735.8255
1994	38012459900.0977
1995	47121584085.7109
1996	52677362068.5698
1997	47897415330.0875
1998	51516926756.2364
1999	49812125262.4227
2000	47012346104.3757
2001	51221762755.0515
2002	61848587295.9147
2003	75476311508.3877
2004	89345884973.0944
2005	103364961829.444
2006	115799816743.103
2007	140762288150.078
2008	174709043550.127
2009	149550940807.201
2010	149077369897.629
2011	162137266361.661
2012	150665211104.78
2013	152581638532.76
2014	150353073460.046
2015	136079681226.172
2016	142430342845.502
2017	162256488954.818
2018	185505006613.072
2019	186455233903.003
2020	180197235303.564
2021	208474258824.519