72% (2009)

78% (2014)

71% (1998)

77% (2004)

55% (2018)

71% (2003)

64% (2021)

78% (2010)

72% (2011)

66% (2007)

60% (2016)

66% (2017)

74% (2007)

64% (2006)

70% (2011)

64% (1996)

65% (2015)

69% (2009)

55% (2005)

67% (2013)