Year	including construction (constant 2010 US$)
1988	4139467734.03836
1989	4068542405.74191
1990	3917753289.69166
1991	3876259518.10658
1992	3493640591.2886
1993	2812107141.12106
1994	1954766713.80412
1995	2389845152.44541
1996	2384778939.28292
1997	2475687035.91191
1998	2577960440.92235
1999	2637449249.82818
2000	2707484641.89459
2001	2670540220.47639
2002	2705998365.09792
2003	2738779578.80138
2004	2685424417.70152
2005	2753862116.69532
2006	2787047467.49027
2007	2835833681.42827
2008	2895290690.15456
2009	3037507807.1132
2010	2886507529.22381
2011	3285536975.77266
2012	3427837180.0262
2013	3622410032.42423
2014	3818040360.56498
2015	3945441081.6683
2016	3977291261.94412
2017	4015776896.44409
2018	4082131438.68539