Year % 1990 1.798148 1993 1.018586 1995 2.566779 1996 0.5245373 1997 0.5432982 1998 0.5492793 1999 0.4168333 2000 0.0029195 2001 0.0144623 2002 0.020368 2003 0.0044951 2004 0.0065342 2005 0.0060969 2006 0.0057615 2007 0.0040336 2008 0.0065265 2009 0.0049905 2010 0.0024145 2011 0.0054074 2012 0.0095391 2013 0.0040233 2014 0 2015 0.0025317 2016 0.0024455 2017 0.0030232 2018 0.0029483 2019 0.0029332 2020 0.0063898 2021 0.0078449