53% (1971)

78% (2013)

82% (2011)

43% (1964)

85% (2014)

40% (2013)

56% (2005)

45% (2015)

75% (1976)

55% (2003)

30% (2014)

77% (2004)

66% (2004)

83% (2006)

55% (1992)

75% (2015)

70% (1991)

59% (2011)

60% (2020)

55% (2006)