Year	current US$
2000	88.3562582140177
2001	80.79702853832887
2002	96.73415885015892
2003	124.92003534479167
2004	158.53180316450758
2005	194.75668858474006
2006	227.92718682868195
2007	278.6751529498853
2008	325.1055158354327
2009	286.45098951465917
2010	311.9176030671991
2011	331.2848487474099
2012	346.93589469549204
2013	368.23059740171254
2014	346.48610573809833
2015	295.22549499869723
2016	290.55736619525203
2017	290.61378341431333
2018	285.3766946170767
2019	300.5844957620624
2020	317.7226968868311
2021	377.46559110810693