75% (2001)

64% (2004)

65% (2004)

68% (2001)

63% (2005)

45% (2002)

49% (2003)

61% (2008)

55% (2006)

71% (2006)

53% (2002)

82% (2005)

55% (2002)

49% (2004)

55% (2003)

53% (2005)

65% (2010)

54% (2005)

65% (2006)

61% (2004)