Year % of people at risk 2003 45.39993333829646 2005 42.11986129045374 2007 37.25452086972715 2008 35.44355337932599 2009 35.109586472307406 2010 33.71070983651411 2011 34.33274462452134 2012 33.22093276136527 2013 32.75663536023211 2014 33.752295560032756 2015 37.07903023176164 2016 34.761339426178544 2017 34.98978226731731 2018 37.08370181839144 2019 38.970731817341374 2020 41.53871515500106