Year including construction (constant 2015 US$) 1991 128576.46725207899 1992 129602.35518060134 1993 131182.9132447895 1994 138059.92577823641 1995 138311.88924862258 1996 131806.36616841052 1997 137934.86465143046 1998 138367.5860406838 1999 139844.81699827692 2000 139959.85345325593 2001 143231.38357471937 2002 149589.2852797177 2003 156355.87449014207 2004 156989.82129948266 2005 162894.6060318259 2006 164992.41006872614 2007 167802.58105412888 2008 170905.78943698035 2009 154744.2282659871 2010 167331.40543245772 2011 175027.89595359899 2012 173649.33585127228 2013 174892.77252354647 2014 177096.2695776649 2015 177278.99047998045 2016 179089.7990783698 2017 186138.00739978984 2018 195415.89735847645 2019 199512.93047699396 2020 192256.3595720783 2021 220189.58974933895 2022 229559.0247700656