Year	including construction (constant 2010 US$)
1991	7708.22261572434
1992	7711.92462310275
1993	7277.47264868452
1994	6848.34300078497
1995	6646.33427841735
1996	6786.17063800039
1997	6689.19523674633
1998	6659.92846544864
1999	6405.84704052449
2000	6543.32424847619
2001	6725.74001453685
2002	6696.2014749014
2003	7056.5808410223
2004	7256.83829538555
2005	7537.94723401779
2006	7482.5591480365
2007	7334.57129266833
2008	7382.5137554786
2009	7122.16701630418
2010	7147.7511671618
2011	7294.96497931906
2012	7199.10853337268
2013	7096.27567469564
2014	7309.53518024773
2015	6917.27660711559
2016	6666.15120290594
2017	6683.79557473514
2018	6732.75246330322