Year	US Dollars Per Barrel
2003-01-01	25.5057
2004-01-01	31.8972
2005-01-01	36.0264
2006-01-01	39.1206
2007-01-01	42.0720
2008-01-01	61.6654
2009-01-01	61.1406
2010-01-01	66.5728
2011-01-01	77.9136
2012-01-01	79.7783
2013-01-01	93.8305
2014-01-01	94.0421
2015-01-01	101.8862
2016-01-01	101.7398
2017-01-01	80.5470
2018-01-01	77.0764
2019-01-01	71.7374