Year	US Dollars Per Barrel
2011-01-01	89.6285
2012-01-01	77.1498
2013-01-01	77.0265
2014-01-01	82.3046
2015-01-01	52.9546
2016-01-01	61.5687
2017-01-01	74.3112
2018-01-01	80.0884
2019-01-01	74.8113