Year	including construction (current US$)
1997	2165892112576.5652
1998	2224867126238.734
1999	2361974517848.1353
2000	2521532407487.324
2001	2482375635607.0933
2002	2467183066230.244
2003	2626264532098.379
2004	2851356757306.194
2005	3108236122395.823
2006	3363382865202.7705
2007	3522748384332.8066
2008	3527313317517.4443
2009	3134815640872.877
2010	3332619765452.9097
2011	3514572390204.677
2012	3601991361756.4204
2013	3732685756623.8794
2014	3883176766985.931
2015	3764350370381.957
2016	3729333365448.0674
2017	3987405383083.287
2018	4250720816585.478
2019	4328850701725.777
2020	4059473994597.0396
2021	4590568118741.903