Year % 2001 1.8731837913207428 2002 3.730514769024605 2003 2.0465984432318165 2004 2.304579632158631 2005 2.2365112411405503 2006 1.0978980416642483 2007 1.8260804639560912 2008 2.591494371310769 2009 2.216095422982462 2010 2.0837577266003886 2011 2.0769864469952455 2012 0.8546896367240918 2013 1.5845398301447873 2014 1.4805282070124781 2015 1.0992497313075447 2016 0.9492596854725442 2017 1.070723975641881 2018 0.6676241843834603 2019 0.8976380645952653 2020 0.7627531094606631 2021 0.33360588889449266 2022 0.3392232365336914 2023 0.6959535010365376