Year % 2000 0.106660187808481 2001 0.0779940647473405 2002 0.0732561684051768 2003 0.0706449325588044 2004 0.0634126425799045 2005 0.0361502147004237 2006 0.0333732134656819 2007 0.0306912929091854 2008 0.0273467474227163 2009 0.0251034025992708 2010 0.0170264554819026 2011 0.0198969102650572 2012 0.0141719453445411 2013 0.0124452294882161 2014 0.0105218320642428 2015 0.00979318677406515 2016 0.0142409152719677 2017 0.0144387089134624 2018 0.00982473333510908 2019 0.00853155193019714 2020 0.0068772193043569