Year including construction (constant 2015 US$) 1981 220515639753.6241 1982 209202015540.62598 1983 196198862284.556 1984 205605353922.49643 1985 209252976035.67703 1986 206895558136.1174 1987 210764675312.19827 1988 220165372125.92294 1989 222917891036.04956 1990 233288308291.91867 1991 225687772395.8471 1992 225611802139.78745 1993 218153077688.33084 1994 216383073015.88074 1995 216739780500.71063 1996 225508283083.82864 1997 230886757576.78238 1998 232135000175.7934 1999 230272285792.10468 2000 242302727529.8084 2001 249948364086.00195 2002 257955885641.34442 2003 271065640083.48886 2004 283691673533.7551 2005 299008173049.52924 2006 310552784895.753 2007 324092723816.83673 2008 329837300203.8349 2009 328818586040.38525 2010 345198527649.3653 2011 363653242208.40234 2012 369502260318.586 2013 380295844181.31195 2014 397914449404.13306 2015 403096931930.15924 2016 399091846210.90015 2017 410928123760.8491 2018 423237172400.10046 2019 435659134413.1845 2020 417836046734.4666 2021 429798912698.11304 2022 434542147562.1154 2023 442649122137.16986