70% (1998)

51% (1995)

68% (1995)

67% (2000)

73% (1997)

60% (1997)

56% (2002)

70% (1996)

61% (1998)

35% (2002)

0% (2002)

57% (1998)

73% (2003)

50% (1999)

74% (2003)

50% (2001)

80% (1976)

0% (2000)

10% (2000)

0% (1998)