Year	current US$
2004	1326282149932.2742
2005	1543193394246.9553
2006	1833182702558.4465
2007	2245866508647.4004
2008	2724929054412.2676
2009	2712705494330.5156
2010	3260597588020.2427
2011	3944962664222.0566
2012	4224682630780.4766
2013	4458316257383.233
2014	4692940079383.248
2015	4548518866302.973
2016	4479529934986.843
2017	4911542756558.885
2018	5326355688515.17
2019	5270585968811.074
2020	5177156482359.899
2021	6506723105104.26
2022	6625858127029.176
2023	6550128113360.105