Year % 2000 0.0268312634680643 2001 0.0212380279964241 2002 0.0183537270685481 2003 0.0151934691170863 2004 0.0132710109653246 2005 0.0127819198622065 2006 0.0119815033641946 2007 0.0113543817938869 2008 0.0105189420100221 2009 0.00983077025838034 2010 0.00929601088046479 2011 0.00940983372043273 2012 0.0093392261835739 2013 0.00913087057815577 2014 0.00882540961052519 2015 0.0101642508813783 2016 0.00998832491477074 2017 0.00835273029473325 2018 0.00837187139168661 2019 0.00824686650564628 2020 0.00890898647759041