Year % (cumulative) 2007 46.4691009521484 2008 48.7452507019043 2009 47.9481391906738 2012 58.9058570861816 2014 30.7259693145752 2015 31.9633007049561 2016 62.43896484375 2017 55.6102409362793 2019 51.2413597106934 2020 55.912353515625 2021 52.8918418884277