Year	including construction (constant 2015 US$)
1991	18441.442664724982
1992	19971.427749126025
1993	20601.877738319043
1994	20213.388123960045
1995	22041.50007455835
1996	22401.61216429808
1997	22059.787399848836
1998	23044.62501219188
1999	22789.41380629453
2000	23960.412612196695
2001	22642.712444334913
2002	23774.08854541946
2003	24023.556434752943
2004	25152.331893763774
2005	24925.16409852548
2006	25678.248287543192
2007	25427.199385448082
2008	26123.8803022323
2009	25883.432069856946
2010	28394.097683605458
2011	30306.752490712555
2012	30445.424020829774
2013	31402.609577809137
2014	29445.699209622566
2015	28128.235164113932
2016	30651.984462011686
2017	30673.80704147615
2018	28641.65400048196
2019	29122.230296680398
2020	33284.28811120106
2021	36705.04971124519
2022	33046.28502953004