Year % 2000 0.0216651537990547 2001 0.0198575761220478 2002 0.0208932234716778 2003 0.0170274261397037 2004 0.0157708085147223 2005 0.0159553055595799 2006 0.0140092410486938 2007 0.0127422459379357 2008 0.0114333864121694 2009 0.010512206178174 2010 0.0107183952195115 2011 0.010892140358655 2012 0.00962472290487549 2013 0.0105314942828258 2014 0.0115653120491445 2015 0.0103163898978499 2016 0.00896289176091206 2017 0.00827459581895005 2018 0.00773869657537933 2019 0.00752584793987966 2020 0.00790997223331159