Year	current US$
1995	1035964313.115655
1996	1056709530.9001988
1997	1148766434.8191118
1998	1240823338.738025
1999	1357515188.7760837
2000	1485114527.668875
2001	1489840429.1093488
2002	1831286808.183577
2003	2194370686.0548368
2004	2712395241.886583
2005	3971449493.913993
2006	4334308548.393905
2007	4983835779.772644
2008	5832000507.421054
2009	4799664444.125487
2010	4127195791.0318093
2011	5072519137.233786
2012	4436574340.69791
2013	4969392954.011751
2014	5304841821.277778
2015	4796226134.626635
2016	5333538037.061597
2017	6174634016.932164
2018	7368990308.348371
2019	7823182137.4784775