Year % 2007 37.7196376404332 2008 66.2622830488779 2009 47.5988824394209 2010 21.0795572251617 2011 16.0086485540665 2012 17.716568148245802 2014 71.0393204963935 2015 29.4057953856178 2016 23.2010640991652 2017 19.0300386607049 2018 10.990637 2019 11.8513267 2020 12.722248 2021 21.557837 2022 16.7672495