Year	current US$
2007	240506015844
2008	243004983889
2009	150884049387
2010	166039756444
2011	166463697491
2012	169065944865
2013	169222381420
2014	175881164582
2015	175243750732
2016	173921742498
2017	154545029027
2018	153808462622
2019	153923490830
2020	141538563122
2021	169217253983
2022	166435572426