Year	current US$
1995	1793191432.6492753
1996	1714745570.2627954
1997	1788834377.732318
1998	1870391167.1565661
1999	1953151838.3183858
2000	1717519587.6773214
2001	1794419794.4886653
2002	1979619788.1009178
2003	2348166153.777167
2004	2646782465.573896
2005	2899294235.911609
2006	3343762360.9804134
2007	4090857286.0084186
2008	4148169334.5752187
2009	3574449351.197682
2010	4452233383.954387
2011	5014645908.118393
2012	5166880071.132875
2013	5378038964.982086
2014	5420220131.258674
2015	5110428410.202526
2016	4835962903.085079
2017	5297457117.302596
2018	5995110897.783336
2019	5727319528.6133375