71% (2003)

74% (2001)

67% (2003)

78% (2003)

66% (2000)

75% (2001)

63% (2001)

63% (2001)

60% (2002)

64% (2002)

59% (2002)

54% (2001)

61% (2002)

57% (2003)

58% (2001)

66% (1999)

56% (2001)

63% (2001)

59% (2002)

57% (2001)