Year	current US$
1995	883442266.666668
1996	1098480574.14449
1997	1082980162.00294
1998	1251487298.60953
1999	1201212737.56203
2000	1077667836.90624
2001	1139571069.01614
2002	1415492622.2771
2003	1835504361.92641
2004	2220583052.59179
2005	2221916101.18619
2006	2470066862.59073
2007	2937496797.39393
2008	3401117326.24461
2009	3379185688.62166
2010	3311782011.96968
2011	3588949800.71121
2012	3479924063.78545
2013	3750634651.75153
2014	3984235652.3943
2015	3468634217.85084
2016	3334613931.57352
2017	3564268903.67737
2018	3964281832.94915
2019	4256707435.81368
2020	4348293534.61066
2021	4747444985.23459