Year	including construction (constant 2010 US$)
1991	36617.3338703444
1992	36923.4425209786
1993	35732.3970563494
1994	34930.9515280816
1995	34801.3341690801
1996	34868.3660561802
1997	35915.8527377458
1998	38282.6791690654
1999	36628.2423482497
2000	38876.9828395153
2001	37775.0794684161
2002	36226.3445788159
2003	36761.2716181631
2004	38206.9276958365
2005	37512.6192133844
2006	36414.4293998262
2007	35775.2011079314
2008	36150.6969536778
2009	33603.0918062649
2010	41175.9083702108
2011	44114.1355195108
2012	44561.1135729795
2013	43803.7609814706
2014	44078.3458163639
2015	44985.1549816915
2016	45437.13851506
2017	43473.8909753624
2018	39707.0926152907