72% (2003)

75% (2000)

78% (2000)

71% (2001)

66% (2003)

54% (1999)

61% (2001)

65% (2001)

58% (2003)

60% (1999)

56% (2002)

65% (2002)

51% (2001)

61% (2002)

63% (2003)

60% (2000)

60% (2002)

0% (1999)

53% (2003)

60% (2002)