44% (2002)

77% (1999)

63% (2003)

55% (2002)

63% (2002)

66% (2001)

78% (2002)

60% (2000)

60% (1999)

61% (2000)

78% (1998)

59% (2003)

58% (1999)

53% (2003)

45% (2000)

60% (2005)

0% (2001)