Year	including construction (constant 2010 US$)
1991	4780.71436778222
1992	4567.6541403321
1993	4476.43916596088
1994	4008.49300854754
1995	4252.59924822674
1996	4384.76181902952
1997	4466.57795072374
1998	4407.54521829536
1999	4829.45021969958
2000	4815.54780190291
2001	4955.0106831162
2002	4807.11149377924
2003	4848.25519437415
2004	4993.16915585442
2005	4715.88631316983
2006	4881.23820573523
2007	4482.08069868552
2008	4547.34610231117
2009	4339.08188765414
2010	4651.73857523336
2011	5149.22948182419
2012	5837.53565658266
2013	5994.7168249365
2014	5965.0505162011
2015	6210.0107250488
2016	6366.2504765534
2017	6480.5008648643
2018	6391.0354982436