Year	including construction (constant 2015 US$)
1991	35927.46617707455
1992	36446.76381999824
1993	38533.349328930635
1994	40377.64201067352
1995	34327.88115969098
1996	33504.59542380758
1997	43267.14415147939
1998	44294.519319425934
1999	37230.258049138276
2000	38696.74537429118
2001	32316.452920271087
2002	35065.05308086678
2003	42712.249524437844
2004	39353.870035161824
2005	39119.36841274788
2006	41596.18510742568
2007	32266.097224262103
2008	39934.94789676508
2009	39471.71572650409
2010	49517.54557282899
2011	57038.59828881453
2012	62053.86324840294
2013	60895.64883269756
2014	64589.70592230662
2015	57317.41973171808
2016	67220.91070872954
2017	58426.067012489475
2018	54162.94092677998
2019	53814.908706495524
2020	45433.789463204615
2021	37004.16550820082
2022	31179.845097775593