Year	current international $
2000	1.58040691361858
2001	3.27155831019628
2002	47.2801529199976
2003	19.9276660674308
2004	34.9749101376841
2005	35.3733095962691
2006	39.4671385134137
2007	33.2212137767753
2008	37.8999530604043
2009	60.2096500892377
2010	30.8660868441637
2011	45.225375758503
2012	41.7366456260105
2013	40.6264640125747
2014	44.0166027405317
2015	30.5201372509328
2016	28.5155719530262
2017	24.238530741935
2018	18.0970821249756
2019	24.700940333591
2020	26.185026298769
2021	32.4459692302183