Year	including construction (constant 2015 US$)
1991	6629.957241772789
1992	6759.824092191748
1993	7026.081980926872
1994	7290.013077341598
1995	7492.623596260613
1996	7807.426669345962
1997	8121.216646823922
1998	8242.238057850258
1999	8521.771778395949
2000	8889.526235293448
2001	9010.268446409294
2002	9497.007530279983
2003	9938.376473162522
2004	10339.612651054047
2005	10620.862137515142
2006	11124.021586228338
2007	11529.009369204236
2008	11930.802243876742
2009	12057.59428291152
2010	12683.412003474865
2011	13089.998521246654
2012	13308.184155163532
2013	13838.505718735558
2014	14331.145422207579
2015	14883.505680831091
2016	15360.121810607403
2017	15846.536421908924
2018	16217.24745428389
2019	16423.867695950627
2020	16741.597496729257
2021	17219.623032924523
2022	17249.75105821106