Year % 2001 0 2006 0.0127944 2007 13.16136 2008 12.57926 2009 6.445652 2010 0.0076876 2011 6.455624 2012 0.0017494 2013 6.434819 2014 6.70787 2015 5.727591 2016 6.002462 2017 6.404243 2018 0.0040512 2019 0.0008134 2020 0.0016879 2021 0.002474