Year	current international $
2000	10.587562703730255
2001	10.764948749925962
2002	15.986466064262682
2003	15.653511413629293
2004	20.931160899352108
2005	23.094665485364683
2006	30.815561230611202
2007	29.956978811086653
2008	31.535971753166766
2009	32.26298051787846
2010	34.907091162068774
2011	38.42280788198958
2012	34.50711186694005
2013	37.2963482042125
2014	38.88018925769945
2015	35.957706966592056
2016	33.41191521629061
2017	28.29050270965673
2018	31.00239982782383
2019	31.92728646551744
2020	36.690133256162774
2021	56.017662627906326