Year	constant 2010 US$
1996	1894.50309306131
1997	1695.77551071707
1998	1868.08506595197
1999	2120.34383032801
2000	2293.9122549451
2001	2512.70715919323
2002	2622.31528845147
2003	2788.09246322587
2004	2947.49722939638
2005	3116.68572889836
2006	3350.8192103859
2007	3576.01920138089
2008	3793.92636583227
2009	3866.84710950755
2010	4053.45440365367
2011	4210.97017792423
2012	4245.09744513621
2013	4400.0031849543
2014	4452.73091262423
2015	4577.08077141533
2016	4756.82019707315
2017	4879.48864743416