Year including construction (current US$) 1966 3668006.749132418 1967 3895791.1289294367 1968 3432005.4912087857 1969 3768006.0288096457 1970 4296006.873610998 1971 4575104.229635189 1972 4896736.325239228 1973 6197115.257532726 1974 7948907.229823364 1975 10259706.069100088 1976 10783255.222128319 1977 13192215.153908448 1978 18290826.539198224 1979 24120744.581702337 1980 31377416.278952204 1981 27309224.840089038 1982 20637603.679389913 1983 23308035.587390922 1984 29519611.568785995 1985 30804797.484458923 1986 21010918.312870912 1987 23910154.92479928 1988 25304009.601064216 1989 29412218.472455565 1990 34909287.88860301 1991 106031838.94546075 1992 108352616.9622116 1993 114767084.98918033 1994 109178720.71874815 1995 116909065.28685027 1996 175616649.8233725 1997 125160637.07584395 1998 135023000.817431 1999 127049750.89275278 2000 116048765.89671655 2001 101508724.52486295 2002 91401520.99940631 2003 72320496.36129856 2004 110153634.94000332 2005 118124778.72163826 2006 127799463.58057737 2007 152022834.96612632 2008 174325220.17722324 2009 148074160.98288113 2010 151677590.93135738 2011 162293235.37957308 2012 169211485.6645235 2013 163624566.9098986 2014 162471329.01805532 2015 236267060.096257 2016 310805392.7592138 2017 269269763.4265587 2018 289200320.54473746 2019 313438923.8275761 2020 305417580.714874 2021 319891187.9321708 2022 341716134.7684515 2023 355603210.1472995