Year	current US$
2002	1383035241.731848
2003	1692859667.9480252
2004	2148001821.4519053
2005	2419753109.1092405
2006	2776922737.320551
2007	3927880054.9410586
2008	4590614691.601947
2009	5617618143.186577
2010	7750640788.726065
2011	8848567676.969027
2012	10069007544.181198
2013	10613685059.47821
2014	10861605729.03069
2015	10186159051.25561
2016	10692983731.619596
2017	10938713019.172386
2018	10737591606.796577
2019	10428579510.349993
2020	10491252791.031754
2021	6728141391.106043
2022	6533209039.548022