60% (1993)

81% (1985)

0% (1961)

75% (1964)

61% (2007)

50% (1971)

74% (1996)

85% (2004)

64% (2016)

60% (1977)

64% (1980)

59% (2006)

71% (2005)

64% (1997)

55% (1976)

65% (1984)

70% (2007)

68% (2007)

70% (1974)

70% (1997)