Year US Dollars Per Barrel 2012-01-01 76.1087 2013-01-01 69.8769 2014-01-01 66.6944 2015-01-01 63.9033 2016-01-01 61.6218 2017-01-01 60.5590 2018-01-01 60.5590 2019-01-01 61.5590