Year	including construction (constant 2015 US$)
1991	36128.697772008614
1992	35408.88377990916
1993	34867.51793697368
1994	36024.06448277049
1995	36392.11956207983
1996	36038.53392313405
1997	37397.35462196305
1998	38466.78911319748
1999	39387.217470890624
2000	40761.66568885426
2001	41195.35004658988
2002	41651.203253848114
2003	42536.520026110025
2004	43906.38954581244
2005	44464.09379501918
2006	45761.416977589615
2007	46160.81211434116
2008	45521.50332913143
2009	43318.88075901008
2010	45828.31510872183
2011	46953.03762718624
2012	46668.712205558535
2013	47003.88331995879
2014	47513.04340240679
2015	48869.10603837147
2016	49532.87219468688
2017	50567.94525320039
2018	51072.20219551649
2019	51554.348128376165
2020	50305.577167585856
2021	52833.94821373197
2022	54870.7383286565