Year	including construction (constant 2010 US$)
1991	28020.3888366032
1992	31593.2626090672
1993	26653.3038637399
1994	28393.3243086476
1995	29621.8036937944
1996	28775.7182265737
1997	30963.9700697368
1998	32009.8902083748
1999	33004.6081337918
2000	33421.7924226684
2001	31292.1459797027
2002	32481.420450242
2003	31636.0039759313
2004	34852.1367780981
2005	34816.8726733022
2006	39372.4587795155
2007	41102.9649795426
2008	42630.6066620209
2009	36802.5633550314
2010	41750.9977675492
2011	38566.5572718612
2012	37358.9756481226
2013	36508.0391767623
2014	36264.3022498804
2015	33013.8300726292
2016	28096.6363116579
2017	27309.7590410569
2018	24989.4394036257