Year % 2000 0.0118718183751299 2001 0.0129704834841926 2002 0.0119582122064516 2003 0.0115003664696783 2004 0.0105984459454947 2005 0.010323507115252 2006 0.00919038151403299 2007 0.0100599269932076 2008 0.0081758893535552 2009 0.00760522017750456 2010 0.00707441617314611 2011 0.00702517577118538 2012 0.007307074663902 2013 0.00762648572866141 2014 0.00725192419438577 2015 0.00679665697697422 2016 0.00710779750092675 2017 0.00666388145011786 2018 0.00646554432024236 2019 0.0067498632286969 2020 0.00671083955834163