66% (1993)

60% (1997)

65% (1966)

58% (2003)

56% (2006)

68% (1953)

61% (2000)

64% (2001)

54% (2017)

62% (2019)

65% (2000)

72% (1959)

60% (2003)

63% (2003)

69% (1998)

57% (2007)

71% (1998)

77% (1961)

57% (2008)

61% (1993)