66% (1983)

64% (2011)

61% (1990)

69% (1987)

67% (1991)

65% (1999)

45% (2022)

68% (2013)

62% (1991)

61% (1993)

60% (2001)

0% (1975)

68% (1977)

67% (2004)

59% (1974)

67% (1997)

74% (1989)

78% (1994)

54% (1994)

69% (2004)