Year	including construction (constant 2010 US$)
1991	16418.0031687106
1992	14001.3792911902
1993	10840.2098323324
1994	7182.73784360007
1995	8358.17163305845
1996	8111.23772104604
1997	8489.50120994679
1998	8615.61122592193
1999	8757.46936351788
2000	9043.60313426651
2001	8721.78734390224
2002	8679.50160739
2003	8624.75119994128
2004	8185.28210191297
2005	8319.23690822868
2006	8335.97357744036
2007	8469.14288726386
2008	8329.68460063031
2009	8600.07981156988
2010	7679.38352989977
2011	8541.74816282103
2012	8634.17644574152
2013	8993.55948604759
2014	9260.24194774178
2015	9317.83492965249
2016	9207.38137138016
2017	9078.89719948444
2018	9086.43320772411