Year	current US$
1992	3468481081.8747053
1993	2998718578.670498
1994	4108847262.1963167
1995	5160475899.716943
1996	5275945325.779037
1997	5307885474.189676
1998	5731992210.040392
1999	5730244693.473962
2000	5184294662.074903
2001	5463505034.550839
2002	6061441645.885287
2003	7492201619.807938
2004	8838177179.870455
2005	9612611105.583881
2006	11224302600.441612
2007	13807775638.75021
2008	15291162046.829792
2009	11320462847.040125
2010	10562362600.409332
2011	11125428460.486412
2012	9486781500.116032
2013	10610888110.842352
2014	12221013113.65738
2015	9953520850.33612
2016	10500343271.666412
2017	12863509290.347939
2018	14799227141.05569
2019	14455481803.345486
2020	14695978030.93934
2021	15601904591.585115
2022	14095228594.600023
2023	17057801836.391022