Year	US Dollars Per Barrel
2004-01-01	62.5372
2005-01-01	59.4314
2006-01-01	59.7078
2007-01-01	65.7343
2008-01-01	108.6177
2009-01-01	89.5127
2010-01-01	94.8149
2011-01-01	99.4569
2012-01-01	102.8946
2013-01-01	121.3925
2014-01-01	101.3811
2015-01-01	58.5308
2016-01-01	45.9570
2017-01-01	44.3186
2018-01-01	54.0461
2019-01-01	54.4163