Year	including construction (constant 2010 US$)
1991	9133.16302381245
1992	10231.0469064511
1993	10986.7023486391
1994	10526.9979360251
1995	11315.2422032582
1996	11335.5423510911
1997	10030.6480362226
1998	9626.91122596583
1999	10404.7117553169
2000	11949.5286807018
2001	11190.5972187413
2002	10971.939105505
2003	10193.5601128865
2004	10413.6301398146
2005	9796.09499379445
2006	11508.0886072666
2007	11197.9756221823
2008	11408.8799180388
2009	13201.3533037536
2010	12484.0266251412
2011	11812.6795909573
2012	10978.5430338597
2013	9877.57684059011
2014	9510.40459723712
2015	8945.19558913523
2016	9149.42813645845
2017	9287.17853346561