Year	current international $
2000	53.0795111300206
2001	57.0762762939652
2002	66.7115385158931
2003	60.7930045053144
2004	62.492180844415
2005	61.2367868931601
2006	53.1452603621652
2007	54.630806266778
2008	53.3239966454975
2009	56.794007613028
2010	56.2592839793129
2011	65.4150551940672
2012	60.0745360350486
2013	61.7696918181883
2014	85.0108689735078
2015	103.927521311693
2016	110.372705061069
2017	93.3202013977388
2018	94.6110135859117
2019	108.456745731476
2020	106.474917670065
2021	109.366424631634