Year	including construction (constant 2010 US$)
2002	2164.72957261066
2003	2202.60537470929
2004	2383.85001280625
2005	2354.25454995369
2006	2497.61645755697
2007	2560.70597544875
2008	2680.38286609455
2009	2438.06868900618
2010	2382.39816751168
2011	2376.54083624463
2012	2205.18427077807
2013	2193.43771250868
2014	2098.46781991169
2015	2051.40078081402
2016	1972.97648581645
2017	1897.42717368591
2018	1842.91455524457