Year	including construction (constant 2015 US$)
1991	14939.2683356675
1992	14250.49720510957
1993	14356.513718383503
1994	14769.203248159489
1995	14419.872884310438
1996	14505.729718950022
1997	15141.429428121255
1998	14894.181865446522
1999	13457.769463424233
2000	11287.86266350932
2001	10242.655845219844
2002	10302.317811291625
2003	10262.67022248046
2004	10783.217932486203
2005	11472.143158492352
2006	14794.95347963217
2007	12785.074430007315
2008	11287.487457211682
2009	10510.3510985493
2010	9571.836966056957
2011	9468.036092667342
2012	9240.078884404335
2013	9701.591036774815
2014	9487.757911937659
2015	9569.470854538824
2016	9383.295963688988
2017	8406.681052527249
2018	9181.180256224356
2019	9879.301542957523
2020	9744.133305218647
2021	8530.10032509016
2022	8627.113622660263