Year including construction (constant 2015 US$) 1991 20071.070360545436 1992 21807.670554811553 1993 23467.14925784792 1994 26398.795250906383 1995 30087.04681285648 1996 34121.2575417767 1997 37143.31745490282 1998 40533.398843154435 1999 44498.64790036674 2000 50439.68388771776 2001 52775.98723677781 2002 55122.230682245514 2003 65246.89630477178 2004 73832.89200083 2005 80247.28889707093 2006 81734.80574836233 2007 80579.52943174142 2008 83948.60564654054 2009 77817.56109913088 2010 79764.08863040044 2011 88267.36182997054 2012 91008.67138185858 2013 90545.74404326 2014 93875.96830069392 2015 99082.94493053986 2016 95907.8897381022 2017 99618.4823099711 2018 103922.15863607396 2019 106310.6472461115 2020 110894.70669640676 2021 138987.44507098428 2022 185195.51713929683