67% (2000)

58% (1996)

58% (1997)

57% (1996)

0% (1989)

70% (1997)

60% (1998)

52% (1999)

48% (2001)

36% (2003)

55% (1999)

47% (2005)

56% (2000)

56% (1999)

0% (1999)

66% (1998)

0% (1955)

0% (2003)

0% (2003)

45% (2000)