Year	current US$
2000	45.56546835
2001	40.98966552
2002	42.06278052
2003	48.94287234
2004	55.38767514
2005	61.49003639
2006	69.41338298
2007	80.69809687
2008	93.38157303
2009	78.81747209
2010	97.24159726
2011	116.7311848
2012	122.83296865
2013	128.68051787
2014	137.35134806
2015	124.96026307
2016	127.12822897
2017	133.21546407
2018	152.54207372
2019	154.15446906
2020	142.11004885
2021	156.2390104