73% (2006)

0% (2003)

80% (2007)

55% (2004)

0% (2017)

42% (1991)

80% (2004)

63% (1967)

72% (2008)

63% (2009)

64% (2003)

78% (2006)

78% (2012)

0% (2011)

79% (2018)

77% (1986)

75% (1977)

73% (1997)

77% (2016)

78% (2014)