Year	including construction (constant 2010 US$)
1991	10200.4096532498
1992	8698.6937678031
1993	7863.99973181629
1994	7888.51116520936
1995	9326.38373835662
1996	9167.71836059426
1997	9394.29703819929
1998	9979.93178561298
1999	10027.5382646382
2000	10889.9359872314
2001	12385.3278988763
2002	11946.6968263608
2003	15023.5069037497
2004	12577.9738556024
2005	12328.6219271825
2006	12350.8428656835
2007	16460.3990661211
2008	14134.167235667
2009	14108.9108493869
2010	13427.1142685838
2011	12990.1508972969
2012	14041.4981974462
2013	14058.4850824952
2014	15380.0119873581
2015	17040.4797400756
2016	18707.7259035743
2017	17982.0919136215
2018	19029.6548588376