56% (1994)

65% (1998)

67% (1994)

55% (2001)

40% (1993)

65% (1998)

22% (1997)

56% (2003)

70% (1995)

48% (1994)

69% (1996)

37% (1991)

50% (2000)

56% (1999)

40% (1990)

51% (2005)

60% (1989)

58% (1996)

0% (2001)

53% (1998)