Year Percent 2000 23.93043 2001 23.93043 2002 23.93043 2003 23.93043 2004 23.93043 2005 25.13111 2006 26.3318 2007 27.53248 2008 28.73316 2009 29.87485 2010 31.01181 2011 32.14404 2012 33.27153 2013 34.39429 2014 35.51232 2015 36.62562 2016 37.73418 2017 38.83802 2018 39.93712 2019 41.03148 2020 42.12112 2021 43.29341 2022 44.4657