Year including construction (constant 2015 US$) 1997 84299.65311825582 1998 84414.79305933203 1999 87219.9772683663 2000 89827.5769618631 2001 88956.34163083456 2002 88775.80439887987 2003 88453.7801477934 2004 89625.17499004086 2005 92545.8189039055 2006 94583.63015253982 2007 94833.37515503711 2008 93011.33255044263 2009 90209.16039914307 2010 95564.5752497791 2011 97839.20777006214 2012 98120.96075838133 2013 99990.06030257282 2014 104585.41052676464 2015 104107.24032252788 2016 104081.74436834492 2017 105540.17884350334 2018 107051.94952878247 2019 106770.02955534287 2020 106289.85172551448 2021 107142.70591027393 2022 106508.02987918037