Year	current US$
1994	1085000000
1995	1334000000
1996	2336999933.545986
1997	2673052196.6995296
1998	4049399659.4812202
1999	4413356665.640771
2000	3534083877.4106627
2001	3710480449.841238
2002	4010118373.376577
2003	5097761943.342266
2004	6020436375.548596
2005	6738059173.840005
2006	6891901977.586667
2007	8907143371.987322
2008	11336719178.307903
2009	8584706841.651804
2010	8806756368.758211
2011	10403552397.86856
2012	9611582830.227104
2013	9850930687.396431
2014	10497406267.531063
2015	8723359334.774414
2016	8958199157.419186
2017	10321682504.942799
2018	11562741968.092651
2019	11158117574.063326
2020	9694293435.528868
2021	12762571616.213295
2022	15183014167.499405
2023	15393450044.024912