Year % of people at risk 2003 40.87748007940514 2004 40.13245748059383 2005 38.37485461281695 2006 37.63518805858779 2007 35.20349184247251 2008 34.344476547757196 2009 32.05037132837808 2010 29.998355735004942 2011 29.225056216006756 2012 28.163278679996917 2013 27.5635177072897 2014 28.400182249885237 2015 31.1211584773963 2016 30.392573003915864 2017 30.635983725686415 2018 32.65014253317443 2019 33.88128330727055 2020 36.52323128745998 2021 32.828106791870795 2022 31.949450251040847