Year	US Dollars Per Barrel
2011-01-01	116.0945
2012-01-01	96.2447
2013-01-01	98.5154
2014-01-01	92.4823
2015-01-01	70.7268
2016-01-01	70.6234
2017-01-01	75.3027
2018-01-01	79.1029
2019-01-01	79.3795