Year % 1995 0 2000 4.68 2001 4.69 2002 8.52 2003 4.85 2006 4.24 2007 4.24 2008 4.12 2009 4.12 2010 4.1 2011 4.1 2012 4.1 2013 4.1 2014 4.1 2015 7.1 2016 6.18 2017 5.93 2018 5.8 2019 7.38 2020 5.91 2021 6.44