Year Percent 2000 11.00991 2001 11.00991 2002 11.00991 2003 11.00991 2004 11.00991 2005 12.06234 2006 13.11478 2007 14.20287 2008 15.29626 2009 16.39495 2010 17.49893 2011 18.60821 2012 19.72279 2013 20.84267 2014 21.96785 2015 23.09832 2016 24.2341 2017 24.2341 2018 24.2341 2019 24.2341 2020 24.2341