Year	including construction (constant 2010 US$)
1991	20685.3105801753
1992	20911.6261451915
1993	20704.2057274254
1994	20966.3156126873
1995	21180.2092972252
1996	21162.2554101511
1997	21870.1835955035
1998	21765.1209172182
1999	21883.6243869377
2000	22094.507775586
2001	21980.215473748
2002	23561.2292022523
2003	24289.5972807698
2004	24541.030644847
2005	25090.7913754467
2006	27796.7176970456
2007	29498.9660224077
2008	27738.6804531667
2009	26718.4012649636
2010	28771.8694757838
2011	28638.6880923153
2012	29352.9623144445
2013	29994.1682115853
2014	29542.0260602188
2015	28309.7000505414
2016	27907.67879606
2017	28084.0578718564
2018	27666.0315249344