Year	constant 2010 US$
1993	4534475716.94525
1994	4574119581.7524
1995	4806258740.53769
1996	5454370351.2575
1997	6134078623.78816
1998	6453243991.84328
1999	6511155775.61823
2000	6982441093.21716
2001	7436912974.78617
2002	8139426247.14447
2003	8883225405.75081
2004	9571502174.74376
2005	10458880466.9027
2006	11782827997.928
2007	12839769307.0472
2008	12211421950.0459
2009	10348752321.8422
2010	10183238335.3296
2011	10559434744.8963
2012	11015980145.394
2013	11398103354.4025
2014	11757235481.9472
2015	12276034129.5875
2016	12810585614.1532
2017	13142424664.7153
2018	13753680191.666