Year	including construction (constant 2015 US$)
2006	27905.529505965904
2007	27105.353885353685
2008	24514.973734016374
2009	26382.454725319698
2010	28004.69984805563
2011	23902.14410250965
2012	21913.698693339153
2013	20414.95793834535
2014	26372.099593781506
2015	31379.691665113634
2016	33301.96404641044
2017	32687.500031728967
2018	28235.28837384064
2019	28744.65236904729
2020	25647.669245367142
2021	22453.664847212516
2022	22601.102339266476