Year % 1996 43.03473 2000 1.201442 2001 1.018269 2003 0.2302821 2004 14.81503 2005 14.13668 2006 29.26301 2007 7.155785 2008 22.67856 2009 5.453104 2010 23.4835 2011 5.666048 2012 5.645161 2013 23.41591 2014 25.93884 2015 28.40065 2016 29.37126 2020 6.372146 2021 7.267619