Year	current US$
2000	202.03271076971296
2001	207.3246671791195
2002	220.2014843799981
2003	244.60284086110315
2004	264.7624806955526
2005	281.39616315878015
2006	298.73277202785437
2007	323.8615874163054
2008	342.5045017445049
2009	341.67744671826824
2010	356.70721415969064
2011	379.858218511884
2012	386.65247804151954
2013	393.33819019233584
2014	397.920226653832
2015	385.7716198772289
2016	395.74658982110327
2017	412.8101501704435
2018	428.03062214475807
2019	434.8725049378846
2020	427.02459344344135
2021	465.45758172555753