55% (1968)

54% (2002)

60% (1989)

20% (2004)

45% (1989)

43% (1999)

65% (1992)

70% (1982)

58% (1992)

0% (1990)

59% (2001)

60% (2020)

70% (1992)

47% (1976)

68% (1996)

55% (1981)

48% (1997)

0% (1982)

70% (1988)

77% (1992)