Year	constant 2010 US$
1990	6827.6097978899
1991	5377.5051943273
1992	5845.34999266325
1993	5911.90995974103
1994	6156.92305823855
1995	6446.83437265851
1996	6940.64376204848
1997	7148.84283464974
1998	7111.81043641672
1999	7337.46250918852
2000	7475.90969342714
2001	7718.24817858756
2002	7961.90878021178
2003	8345.00321734688
2004	8633.03087204935
2005	8904.62233972482
2006	9215.93728861561
2007	9545.84826950239
2008	9740.40726049924
2009	9624.56297523631
2010	9697.44985906396
2011	9701.89540649302
2012	9570.84773145193
2013	9616.86581221982
2014	9779.43473277272
2015	10120.7940691495
2016	10468.772177161
2017	10884.7730008108
2018	11217.6393375867