Year % 2004 1.513469 2008 0.0536707 2010 0.5315018 2011 0.7003309 2012 0.6288919 2013 0.7879993 2014 0 2015 1.650486 2016 1.161404 2017 1.059016 2018 0.1728598 2019 0.0665405 2020 0.0908398 2021 0.1448291