Year	including construction (constant 2010 US$)
1992	9346694165.58919
1993	6997487550.59935
1994	5090245068.26697
1995	4408374313.444
1996	4730051121.71376
1997	5568629324.14571
1998	6565794946.15052
1999	6738876474.69196
2000	5846820600.84647
2001	6331150963.61854
2002	7045524314.72068
2003	7859649414.94505
2004	8637267431.72778
2005	12617396500.6563
2006	18903299248.1781
2007	25182174810.6244
2008	27617694320.9798
2009	30557799998.7164
2010	31738881275.6945
2011	29996482166.4564
2012	29742303740.4285
2013	31109691119.2895
2014	31173278574.486
2015	30448878630.0443
2016	29164532011.4061
2017	28140448332.7028
2018	27939539397.4432