Source: Costa Rica's Directorate General of Civil Aviation (DGAC). Statistical Yearbooks(Years 2008,DGAC Yearbook 2008 2009,DGAC Yearbook 2009 2010,DGAC Yearbook 2010 2011,DGAC Yearbook 2011 2012,DGAC Yearbook 2012 2013,DGAC Yearbook 2013 and 2014)
