Year	including construction (constant 2010 US$)
1991	25854.1001263046
1992	25624.1075572965
1993	26266.3508575188
1994	27415.4711674077
1995	27563.2706281204
1996	28121.5399782877
1997	28238.7035049778
1998	27436.6171467711
1999	26816.9205982669
2000	27097.7306775687
2001	26820.3674094298
2002	26070.6017055273
2003	25839.316000014
2004	26792.2234193369
2005	26492.5353167533
2006	26683.9003510962
2007	26829.2811662842
2008	26803.2031866165
2009	26036.2790990436
2010	27068.0168570228
2011	27875.5705544642
2012	27063.207959002
2013	27349.5842992132
2014	26433.0839865434
2015	23649.2844996329
2016	23704.6806874411
2017	23505.2237140621
2018	23347.4352033132