82% (1973)

50% (1981)

61% (2013)

54% (1993)

64% (2018)

66% (2001)

60% (1966)

70% (2003)

85% (2013)

30% (1970)

55% (2009)

100% (1961)

80% (1963)

70% (1954)

65% (1975)

77% (1984)

62% (2020)

71% (1970)

70% (2000)

66% (1997)