_id	CLASS_NAME	CLASS_HOURS_2006	CLASS_HOURS_2007	CLASS_HOURS_2008	CLASS_HOURS_2009	CLASS_HOURS_2010	CLASS_HOURS_2011	CLASS_HOURS_2012	CLASS_HOURS_2013	CLASS_HOURS_2014	CLASS_HOURS_2015	CLASS_HOURS_2016	TOTAL_HOURS