Year	constant 2010 US$
1997	74991.4671660884
1998	76318.5083960551
1999	77342.1264251338
2000	78145.1180028656
2001	78806.862456398
2002	79295.0568905169
2003	79852.5278616242
2004	80651.4799179668
2005	81464.2945807922
2006	82184.2837724061
2007	82712.5029621832
2008	82147.8198633581
2009	81168.1733724464
2010	82367.4821914348
2011	83385.6071859189
2012	83968.4968933155
2013	84170.6587758365
2014	84460.7972009033
2015	84987.2737304901
2016	84991.076024954
2017	85110.0785952765