Year	current US$
1995	14034640328.852154
1996	16348097970.168348
1997	20085428090.559525
1998	18492325306.172787
1999	20923039935.566193
2000	24748416267.30754
2001	26607317283.533375
2002	28484044066.966965
2003	27672686497.13499
2004	34421954849.7711
2005	38956838487.126656
2006	43392364910.121605
2007	52541288312.729904
2008	62044428021.592125
2009	69060478518.96964
2010	87529185800.83968
2011	109126983678.6881
2012	145617738826.8178
2013	177006669245.12158
2014	286644183574.944
2015	309978967440.0277
2016	311684603326.51074
2017	323810153179.5645
2018	350192886557.63763
2019	328156497188.40076