Year % 2001 24.00029061447221 2002 19.714108299659504 2003 23.617149321598017 2004 28.429413971060413 2005 41.79260115105414 2006 36.45489841207072 2007 47.76457216966615 2008 37.06525063950643 2009 37.447741091668824 2010 48.55612716577913 2011 38.51060228055657 2012 32.96017935326297 2013 32.03529475824463 2014 35.24616125015954 2015 34.2831586004862 2016 31.202861930918914 2017 32.139555394367186 2018 28.206366031524986 2019 32.04525478633545 2020 35.071192620222945 2021 55.626743035886015 2022 72.6458459410328 2023 61.006068494981456