Year	current international $
2000	7.80813162827677
2001	17.8374388258016
2002	13.0215607944266
2003	14.91220875666
2004	20.5806607827684
2005	18.9895288194987
2006	25.7284569921545
2007	25.3103437466107
2008	21.7467078490654
2009	26.1298752377281
2010	19.3654687074843
2011	22.5773563798531
2012	26.8998101856351
2013	23.8971953262948
2014	22.490314383727
2015	25.4968607241903
2016	29.0817410761442
2017	30.3565765711793
2018	21.6102150255232
2019	45.2289475749872
2020	29.093451138273
2021	89.0168799648986