Year	including construction (constant 2010 US$)
1967	174794182.475926
1968	183247958.789714
1969	194188122.93711
1970	201895972.202195
1971	212338878.452382
1972	249634935.844829
1973	246651241.60474
1974	265796560.75919
1975	312540928.201628
1976	302595344.970685
1977	318011042.836344
1978	356301649.248738
1979	359036706.23384
1980	364258135.768809
1981	353566591.599125
1982	354063898.670115
1983	365501336.662974
1984	363760860.594325
1985	391359924.830567
1986	384398019.226948
1987	394592256.325642
1988	417218544.230155
1989	450536343.743334
1990	492556556.160777
1991	511950512.570214
1992	524382531.479526
1993	485345997.353919
1994	497032089.214529
1995	521327076.080478
1996	564297483.432091
1997	562427960.743375
1998	574646721.603969
1999	593429887.159463
2000	587623048.415574
2001	524633512.463228
2002	486305424.33318
2003	540041711.991824
2004	567113655.891185
2005	608105494.372592
2006	668577423.785624
2007	760289616.956183
2008	824036153.361061
2009	977676724.919877
2010	1058897563.70497
2011	1079527342.2834
2012	1073624788.1042
2013	1110882437.45128
2014	1163040752.43859
2015	1203747573.70585
2016	1232637169.9293
2017	1259752522.98044