Year constant 2010 US$ 1991 9901.68571596742 1992 10388.8702022907 1993 10780.65154605 1994 10800.572772678 1995 11041.8371645889 1996 11266.7618646318 1997 11956.2914561035 1998 11526.1199239783 1999 11797.6678832123 2000 11411.6248097574 2001 11365.072317316 2002 11248.3413987752 2003 10958.9781599016 2004 11159.2180802865 2005 11621.1863156716 2006 11758.849218416 2007 12236.4115801756 2008 12252.9523440166 2009 12343.1591494976 2010 12603.9554022802 2011 12319.5095918551 2012 12654.7292234084 2013 12557.8283137184 2014 13027.335959997 2015 12910.9215879972 2016 13353.032784272 2017 13628.378557115 2018 14172.548893209