Year US Dollars Per Barrel 2008-01-01 37.6114 2009-01-01 73.6426 2010-01-01 67.5723 2011-01-01 77.0539 2012-01-01 77.9976 2013-01-01 89.2996 2014-01-01 106.2002 2015-01-01 94.2439 2016-01-01 96.5517 2017-01-01 82.6258 2018-01-01 87.8979 2019-01-01 77.9028