Year	constant 2010 US$
1994	4182371520.67071
1995	4615460248.89694
1996	5006372984.34427
1997	5300912392.41636
1998	5627160361.33618
1999	6026392051.33349
2000	6286261206.56946
2001	6434115343.33884
2002	6525648108.4207
2003	6710730609.70271
2004	7103130849.73912
2005	7484074891.29088
2006	7736264674.36099
2007	8175137984.29003
2008	8455548699.2341
2009	8127846153.47496
2010	8508922327.73314
2011	9052963610.98311
2012	9622975216.31547
2013	10101667511.2388
2014	10617406997.1404
2015	11104057793.9876
2016	11608294931.1767
2017	12157863443.503
2018	11735484200.7792