Year	including construction (constant 2015 US$)
1991	12904.47108880859
1992	14034.648858167779
1993	14971.742859065502
1994	15776.85906789652
1995	16119.256684636417
1996	17712.151106655176
1997	17635.209653987666
1998	17772.711456482648
1999	16479.161140614273
2000	16127.586904097736
2001	16073.54002589032
2002	16496.474434828182
2003	16772.717813195413
2004	17416.495250503805
2005	18162.36152669164
2006	18014.15761286072
2007	20578.005068196053
2008	21222.83840718777
2009	20987.660838162166
2010	21877.489725890962
2011	22061.54036802869
2012	21715.2661162692
2013	20780.648445009465
2014	18293.01127622753
2015	17241.15265247493
2016	18264.155084786835
2017	18490.174853428638
2018	18710.819829338925
2019	16670.60983685431
2020	18046.62990570937
2021	16352.569778251936
2022	16462.994706191323