Year	including construction (constant 2015 US$)
1991	36187.16802828604
1992	32654.23794536756
1993	34280.961152842305
1994	33690.47722662266
1995	32627.575788587474
1996	34668.06932675037
1997	35326.29969057558
1998	29561.34182951756
1999	28451.604219411984
2000	28745.97731087878
2001	28925.173088253727
2002	32015.621926301883
2003	33594.43783772574
2004	33982.66406373098
2005	36717.9284591351
2006	36886.55974725199
2007	35129.42156298763
2008	36109.54586976917
2009	30319.24360421303
2010	26065.37122100483
2011	26434.40331117372
2012	26614.071084540825
2013	25628.256749016466
2014	27128.859989720553
2015	25544.34534777933
2016	24074.66610079467
2017	24715.315981599866
2018	25379.35973298494
2019	27730.57962804425
2020	28880.358528271427
2021	26471.42574195165
2022	27551.346985787535