61% (1993)

73% (1997)

100% (1984)

80% (1998)

0% (1993)

79% (1994)

45% (2007)

60% (1996)

0% (1989)

0% (1995)

68% (1993)

0% (2000)

55% (1993)

73% (1979)

55% (1994)

60% (1998)

0% (1986)

0% (1995)