77% (2009)

63% (1987)

70% (2011)

59% (2013)

70% (2010)

60% (1999)

78% (2014)

68% (2008)

60% (2014)

69% (1986)

72% (2015)

0% (2011)

75% (1947)

60% (2017)

66% (1981)

70% (2002)

85% (2016)

78% (2015)

73% (2014)

64% (2009)