Year	including construction (constant 2015 US$)
1991	14296.264203629962
1992	14085.266541622768
1993	13919.749206483035
1994	16285.888758464542
1995	17129.653362469176
1996	17356.21969203321
1997	18108.832127097896
1998	18323.661223187464
1999	18743.139091940902
2000	19402.840723511275
2001	19607.709117234375
2002	20078.74099436199
2003	20527.160821206693
2004	20956.528758580334
2005	21095.30585411325
2006	21487.924019085807
2007	21641.181750168842
2008	21714.209479376423
2009	20714.350014097592
2010	21742.96027653768
2011	22050.32389286469
2012	22002.265973010148
2013	22437.29747732554
2014	22963.914891078985
2015	27464.222954370707
2016	24145.638681228847
2017	24699.916011407982
2018	25111.6764850708
2019	25231.58658085702
2020	25303.041627277136
2021	25993.91487162501
2022	25921.885127313228