50% (1977)

63% (1993)

100% (2006)

64% (2001)

48% (1999)

66% (1991)

0% (1975)

65% (1999)

73% (1973)

63% (1984)

50% (1981)

74% (1987)

60% (1957)

69% (2015)

55% (1975)

20% (1997)

62% (1996)

67% (1978)

50% (1982)

63% (2017)