Year	current international $
2000	1.4860485624899828
2001	1.3943434425597572
2002	1.5469352585247687
2003	2.0743032810662996
2004	2.3848051466663995
2005	2.6350974151242514
2006	3.2697067013592855
2007	3.5625867948576535
2008	3.406755637278279
2019	2.561810900165814
2020	3.6766095130105643
2021	6.573678020744414