67% (2007)

76% (1962)

73% (2003)

75% (2013)

70% (1997)

89% (2001)

79% (1993)

56% (1978)

0% (1961)

68% (1988)

74% (1988)

70% (1974)

75% (1983)

58% (1985)

72% (2020)

52% (1979)

76% (1997)

70% (2017)

68% (2000)

55% (1999)