Year	including construction (constant 2015 US$)
1991	16204.989397321247
1992	16327.063956971417
1993	16439.784932922066
1994	16495.41422063139
1995	15586.036894471696
1996	14839.817769000601
1997	15715.03463445505
1998	15544.942189240279
1999	15661.767765559089
2000	16407.000511025773
2001	16154.538350881503
2002	15819.64127291322
2003	15978.978369597173
2004	15648.100987201866
2005	16228.652560048495
2006	15873.29210943224
2007	15675.920587435967
2008	15016.657354099601
2009	14439.654293377069
2010	14884.983008544667
2011	15000.21475436639
2012	15032.024432230464
2013	15016.15661968351
2014	14848.274570500405
2015	14246.012770565207
2016	13669.264665360542
2017	13323.306144264958
2018	13267.169173848577
2019	12664.89159698461
2020	12735.093965429161
2021	11499.102259070432
2022	11318.307222477992