Year	including construction (constant 2010 US$)
1991	7327.56481964436
1992	8009.54908305595
1993	8270.98915064394
1994	8463.09124310174
1995	8523.59506070073
1996	9100.34001306214
1997	9229.14251916032
1998	9251.43767573492
1999	10056.0635906161
2000	9515.90502503742
2001	9981.46541751376
2002	10106.8013381182
2003	10110.5694279693
2004	10912.839307393
2005	10111.627927879
2006	9890.7014204568
2007	9123.86425063204
2008	10097.2052098247
2009	9966.44733499193
2010	10351.4502409066
2011	10354.755402044
2012	10695.8556825457
2013	11704.3791994368
2014	12502.1239858757
2015	13570.3608195551
2016	14633.2967801845
2017	15191.7318337976
2018	15830.3333062167