Year % of new cases 2003 73 2004 74 2005 93 2006 80 2007 82 2008 80 2009 77 2010 78 2011 71 2012 85 2013 87 2014 88 2015 89 2016 89 2017 89 2018 88 2019 89 2020 85 2021 84