Year	including construction (constant 2010 US$)
1991	16347.5435282583
1992	15744.1443558153
1993	16434.8459204963
1994	16623.2248358762
1995	16463.0523974555
1996	16406.4581960692
1997	16914.1104608311
1998	16613.938902924
1999	16629.451377823
2000	14965.2878544082
2001	14942.951991992
2002	13726.8795913732
2003	13541.7245212447
2004	14287.2156493135
2005	15877.105587653
2006	23582.1259204319
2007	20265.599778413
2008	20210.2920785006
2009	19361.7555871537
2010	18994.1519268664
2011	19123.1662987379
2012	18921.3851470271
2013	19913.8956302503
2014	19977.890390561
2015	19027.4756115646
2016	18407.5207870128
2017	17668.662197491
2018	16743.6917907038