Year	current international $
2000	27.8154855592321
2001	27.42053060197
2002	26.7359359998234
2003	28.1716896402981
2004	26.445594593258
2005	26.3410268822237
2006	39.1873003194722
2007	33.5184842746498
2008	36.4906663215871
2009	34.9758344204775
2010	56.3376594066817
2011	108.86748207712
2012	94.6846739188249
2013	59.4496102547458
2014	74.6137066212644
2015	75.7820605561683
2016	74.1547986585478
2017	41.3429644364327
2018	57.7409403853164
2019	53.42367887191
2020	30.7305877811427
2021	38.4091782134524