Year	including construction (constant 2010 US$)
1991	50254.8445063207
1992	52581.7608541228
1993	53921.0405114327
1994	51668.0651240807
1995	50689.629297929
1996	52232.5489556055
1997	53920.923698108
1998	52706.369135213
1999	57371.5194062215
2000	56174.9336472265
2001	56361.729757159
2002	59293.6961462101
2003	60733.9188910846
2004	59983.4405022286
2005	60910.2625495644
2006	58767.1385082272
2007	62339.4311006698
2008	59212.4341342917
2009	60909.2961212901
2010	61619.656852132
2011	61589.3671276886
2012	63347.3694314559
2013	63317.4487433683
2014	62087.6315434599
2015	59589.3926379192
2016	64274.9941580301
2017	62345.9112196981