63% (1992)

63% (1993)

66% (1991)

62% (1978)

62% (1966)

55% (1999)

71% (1962)

65% (2017)

59% (2006)

57% (1981)

54% (2000)

65% (1999)

59% (1963)

63% (1975)

73% (2006)

57% (2000)

56% (1991)

66% (1964)

72% (1965)

57% (2005)