Year % 2000 0.0111448279059997 2001 0.0105925926354034 2002 0.00948256212773738 2003 0.0090277086573716 2004 0.00796057971945857 2005 0.0073325993438026 2006 0.00653565852829336 2007 0.00840745775326718 2008 0.00802619973129346 2009 0.00792166818486145 2010 0.007407522531598 2011 0.0051946059228611 2012 0.00498823041569326 2013 0.00465860573954924 2014 0.00428259990948622 2015 0.00609180356837455 2016 0.00608203294162257 2017 0.00546673543289963 2018 0.00553985546472327 2019 0.00580008114232639 2020 0.00587129224064453