56% (1994)

65% (1998)

59% (1994)

65% (1998)

40% (1993)

55% (2001)

70% (1995)

56% (2003)

67% (1996)

58% (1996)

49% (2000)

48% (1994)

0% (2003)

56% (1999)

60% (1989)

37% (1991)

22% (1997)

40% (1990)

51% (2005)

0% (2001)