44% (1991)

54% (1988)

80% (1994)

60% (1984)

64% (2002)

50% (1986)

40% (1996)

34% (1989)

73% (1991)

0% (1986)

40% (1990)

55% (1997)

47% (1998)

70% (2003)

57% (1986)

0% (1957)

71% (1984)

54% (1988)

60% (1986)

58% (2012)