66% (2000)

60% (2002)

71% (1998)

52% (1995)

60% (1997)

70% (1996)

61% (1998)

74% (2003)

73% (1997)

68% (1995)

57% (1998)

35% (2002)

0% (2002)

10% (2000)

50% (2001)

75% (1976)

73% (2003)

50% (1999)

0% (2000)

0% (2001)