Year	current US$
1994	1808516510.9890108
1995	2855219752.7472525
1996	3240109862.6373625
1997	4003021978.021978
1998	3279120879.120879
1999	2340109890.10989
2000	3578846153.8461537
2001	5107142857.142857
2002	6321703296.703297
2003	8205219780.21978
2004	9999725274.725275
2005	15277472527.472527
2006	25502747252.747253
2007	36680769230.769226
2008	47396703296.70329
2009	42018131868.13187
2010	39134340659.34066
2011	48708241758.24176
2012	50714835164.83516
2013	55301739560.43956
2014	65558949917.58241
2015	59952434368.13187
2016	74150106510.98901
2017	68646529423.07692
2018	74542342692.3077
2019	77136689697.8022
2020	63323233351.648346
2021	66144187087.91209
2022	72289950396.43626