Year	including construction (constant 2015 US$)
1991	34864.07093881004
1992	35580.01754275416
1993	35140.098651637265
1994	36806.33497315899
1995	34017.956909881475
1996	34415.33478565283
1997	35583.387250709544
1998	33677.06954317158
1999	32562.069645933767
2000	31791.040057444872
2001	31858.070205189768
2002	31619.063512819757
2003	31616.288227252116
2004	32313.599139079775
2005	33346.000663836596
2006	33738.64636337351
2007	33453.525717554
2008	33496.58935533805
2009	32132.67050732434
2010	32283.604589844952
2011	32486.6127786917
2012	32765.7058406925
2013	31682.341044974837
2014	31604.01239477213
2015	30889.520819137822
2016	29803.16676504713
2017	29050.21370978106
2018	28350.471430787464
2019	27659.285145481586
2020	27601.32044005434
2021	26920.99950378729
2022	26712.2088939836