Year	US Dollars Per Barrel
2008-01-01	24.9472
2009-01-01	25.9280
2010-01-01	31.5197
2011-01-01	32.6496
2012-01-01	32.0497
2013-01-01	37.2681
2014-01-01	42.6611
2015-01-01	44.9804
2016-01-01	46.7791
2017-01-01	48.9037
2018-01-01	52.7937
2019-01-01	52.2582