Year % 2001 16.4078012980366 2002 18.25140627059034 2003 15.201541647171204 2004 32.6226254353469 2005 30.117414327325783 2006 19.85292618300743 2007 24.80570907478607 2008 29.841833617826108 2009 26.799133985945232 2010 25.978078214075634 2011 26.543221653810857 2012 26.899664139712463 2013 20.504133385185558 2014 15.064025744825871 2015 19.896154203705294 2016 31.133895527650335 2017 38.58126390151128 2018 40.32989019722343 2019 38.719397391110085 2020 39.788875150484046 2021 31.12405708385545 2022 50.9020919661238 2023 55.008808824013734