67% (2003)

67% (2004)

63% (2005)

49% (2007)

55% (2005)

66% (2005)

43% (2008)

60% (2005)

45% (2005)

78% (2006)

59% (2004)

61% (2006)

59% (2005)

65% (2005)

51% (2005)

70% (2007)

63% (2006)

60% (2003)

42% (2008)

60% (2006)