Year % 1993 65.66524 2000 71.35405 2001 72.11801 2002 72.11801 2003 72.11801 2007 67.29715 2008 67.27721 2009 67.44692 2010 70.74767 2013 70.83839 2016 47.68398 2017 50.47264 2018 54.95596 2019 54.99354 2020 53.38216 2021 53.38216