70% (1967)

62% (2012)

65% (1997)

0% (1970)

74% (1987)

0% (2008)

62% (1987)

65% (1985)

76% (2013)

60% (1960)

70% (1978)

60% (1987)

73% (2016)

70% (1995)

61% (1993)

85% (1991)

77% (1991)

70% (1981)

60% (1994)

0% (1984)