Year per 100 people 2001 0.703192154 2002 3.644395544 2003 9.776226182 2004 14.85752092 2005 18.31401982 2006 20.79894591 2007 21.98646922 2008 23.80372836 2009 23.93154606 2010 24.04329977 2011 25.18890381 2012 25.51334241 2013 25.92317835 2014 27.09869954 2015 27.13611691 2016 27.67492964 2017 28.18543222 2018 28.79447638 2019 28.82173626 2020 29.71261172 2021 29.85095941 2022 29.37692217