65% (1998)

55% (2001)

55% (1994)

56% (2003)

48% (1994)

59% (1994)

49% (2000)

65% (1998)

40% (1993)

60% (1989)

70% (1995)

40% (1990)

22% (1997)

58% (1996)

67% (1996)

51% (2005)

0% (2001)

37% (1991)

54% (2000)

0% (1989)