Year	including construction (constant 2015 US$)
1991	15449.530315701564
1992	14981.202279472032
1993	15343.372197216735
1994	16146.490255285638
1995	16031.395429296595
1996	15714.761578229623
1997	16040.2520186033
1998	15592.289606014177
1999	15203.842649043723
2000	15758.427572023784
2001	15407.508360280082
2002	15981.39239104246
2003	15887.454590605039
2004	16430.404861012972
2005	17130.243260857056
2006	16878.401495832735
2007	17349.27225625681
2008	18375.543469866083
2009	17781.972191278473
2010	18490.542589501685
2011	19050.90894542386
2012	18905.400888306354
2013	19931.263762536677
2014	20234.109301143682
2015	20458.42140963157
2016	21771.26120753594
2017	22078.50391851434
2018	22197.220812195337
2019	21571.49557858784
2020	22096.180480894163
2021	22245.003834720705
2022	21266.273116374985