Year Percent 2000 7.07256 2001 7.60475 2002 8.13694 2003 8.66914 2004 9.20133 2005 9.97235 2006 10.76949 2007 11.59274 2008 12.44211 2009 13.31759 2010 14.2192 2011 15.14691 2012 16.10075 2013 17.0807 2014 18.08677 2015 19.11895 2016 20.17725 2017 21.26167 2018 22.3722 2019 23.50885 2020 24.67161 2021 25.86049 2022 25.86049