Year	including construction (current US$)
1997	7168707530849.714
1998	6952983356419.397
1999	7233708738099.842
2000	7452206459946.82
2001	7089613268804.949
2002	7202457124376.881
2003	8084126999418.205
2004	9108054503576.58
2005	9761182657130.02
2006	10452231670343.719
2007	11439083963102.88
2008	12195094130274.043
2009	10548098537917.422
2010	11397578518386.875
2011	12542667197098.174
2012	12513511136706.209
2013	12528363170203.434
2014	12670111611410.723
2015	11422481392669.707
2016	11436584462877.965
2017	12226471924605.94
2018	13189095398922.002
2019	13064306307362.83
2020	12347419559464.443
2021	14141402723116.236