Year	current US$
1993	455713335.86819
1994	837524913.029577
1995	1135515396.22585
1996	1294063792.17194
1997	1697121950.89474
1998	1461224632.84194
1999	1479230575.73814
2000	1594117421.5851
2001	1997212410.77122
2002	2555290142.76873
2003	4236202349.72326
2004	8473103078.51889
2005	6084195420.39854
2006	17750816992.0635
2007	15776758291.9133
2008	17871462601.824
2009	20719793500.0956
2010	25222742122.0693
2011	25179110241.3647
2012	22131546173.3606
2013	19126570709.2453
2014	21813960379.1329
2015	20294757150.7029
2016	20095957328.3236
2017	18248787467.0745
2018	16536058089.5061
2019	10082162364.2103
2020	12056059795.5889
2021	10831712873.9726
2022	14584854725.4803
2023	16454546721.244