Year	current US$
1990	1799826978.07689
1991	2080222769.88066
1992	2297537861.48656
1993	2595336329.7004
1994	2916729339.64435
1995	3419427749.24788
1996	3767943813.75247
1997	4323791199.17288
1998	4497200671.53947
1999	4961051578.17398
2000	5209316199.55574
2001	5862030367.02126
2002	6159490452.13443
2003	7015991772.53063
2004	7528585401.3334
2005	7960546006.87847
2006	8938185345.32026
2007	9785203940.14726
2008	10094747796.1987
2009	10800642528.3059
2010	11874831048.7495
2011	14177730583.3608
2012	14960539376.043
2013	14479833506.1152
2014	16293616122.3289
2015	16988260275.3101
2016	17327684408.0244
2017	19356610732.108
2018	22605744066.0273
2019	25276407348.9916
2020	25196265822.8547
2021	27429444391.0712