65% (1985)

47% (2011)

47% (1976)

42% (2003)

52% (2017)

56% (2009)

50% (1967)

64% (2001)

58% (1991)

44% (1998)

55% (1990)

67% (1989)

0% (1993)

71% (1969)

62% (1981)

0% (2016)

64% (1987)

60% (1970)

57% (1977)

40% (1977)