Year	constant 2015 US$
2001	2222243652.6564207
2002	1910450584.9585817
2003	2034122569.8421125
2004	2388919247.745525
2005	2614997944.3917537
2006	2730988299.959638
2007	2868266456.101338
2008	3717706021.142653
2009	4036910397.504454
2010	5427150207.936497
2011	5441432181.451311
2012	5691393693.932972
2013	6197794524.894498
2014	7122234072.059198
2015	7619433744.798786
2016	7038622410.105875
2017	10921931886.724571
2018	12252639972.526672
2019	13615738227.743109
2020	9983936611.625843
2021	13065648315.534536
2022	14594641145.362337
2023	12655933458.211987