53% (1994)

61% (1994)

63% (1988)

70% (1996)

42% (1996)

57% (2005)

53% (1988)

60% (1986)

0% (2005)

55% (1994)

64% (1984)

63% (1985)

67% (2001)

64% (1987)

60% (1987)

51% (1990)

58% (1990)

59% (1995)

50% (1994)

0% (1997)