Year	current US$
2002	1616000000
2003	1654000000
2004	1785000000
2005	1843000000
2006	2079000000
2007	2489000000
2008	2673000000
2009	2639000000
2010	2719000000
2011	2949000000
2012	3037000000
2013	3241000000
2014	3339000000
2015	3089000000
2016	3036000000
2017	3024000000
2018	3250000000
2019	3547000000
2020	3388000000
2021	3662000000
2022	4421000000