Year including construction (constant 2010 US$) 1993 57887.1120861897 1994 61326.9878402199 1995 52153.8508405858 1996 52534.2288248667 1997 53879.5263259302 1998 54537.6666683755 1999 56130.3647024595 2000 58669.3953513352 2001 59349.4250797316 2002 60341.3042934327 2003 61592.7960808946 2004 63600.8467550949 2005 64342.0224372747 2006 65910.5283830248 2007 66605.7505397586 2008 65746.5087033544 2009 63127.3697573667 2010 68535.4982610667 2011 70429.6381655721 2012 70007.4120461919 2013 70399.7497202487 2014 71431.0392479577 2015 73023.9170119387 2016 74052.8152346839 2017 80039.4203987444 2018 81625.9407626971