Year % 1996 6.679742736455693 1997 7.57031938586033 1998 10.340414482232783 1999 10.757974096282133 2000 7.447142696530777 2001 4.087645473246725 2002 3.6260440409871526 2003 2.6937393717512452 2004 2.6920812986686715 2005 4.505016532317742 2006 6.224588621137528 2007 4.034859563471489 2008 4.222685183732097 2009 1.9694520260897106 2010 2.700250555837472 2011 4.418990751055165 2012 4.092791268239938 2013 3.5882417145863177 2014 3.3262707414466504 2015 0.3370018493629547 2016 1.3545594228298594 2017 1.2266201997168917 2018 3.1642692109206143 2019 4.321429492890669 2020 1.2188599261301594 2021 0.1179751520597188 2022 2.978979865249022 2023 3.0618929695255734