Year	constant 2010 US$
1997	72798.8814236264
1998	73691.8304597887
1999	74743.0457245647
2000	75727.1328567086
2001	76179.4562316273
2002	76478.0495612153
2003	76829.7199423699
2004	77467.0113112078
2005	78067.1140132955
2006	78609.2635115906
2007	79096.57964463
2008	78408.565492992
2009	77179.1775505229
2010	78172.0096731726
2011	78937.6254099255
2012	79243.9320453558
2013	79472.4351414791
2014	79876.3411055362
2015	80352.1440245619
2016	80257.9314319809
2017	81468.5101386859
