Year including construction (constant 2015 US$) 1994 122968980.7484265 1995 125226595.00895464 1996 131065404.80373907 1997 128534005.25804237 1998 119150901.79664883 1999 121949357.71552733 2000 131971279.22254351 2001 151842270.63120878 2002 167145530.8615962 2003 181305476.08460158 2004 197150820.89338785 2005 203556916.54203752 2006 203010074.5800047 2007 210996007.32893583 2008 224801720.33811557 2009 166080348.3800223 2010 117189916.83459465 2011 125540453.7508597 2012 125013155.63510692 2013 119342868.65517578 2014 119686686.05618112 2015 119512377.23420545 2016 133048719.46735448 2017 125359116.00171316 2018 110146760.3721151 2019 121523593.3099443 2020 109858574.35810862 2021 99259809.37064731 2022 99083186.1458227 2023 97201490.91100112