81% (2005)

63% (2008)

81% (2009)

75% (2008)

64% (2007)

70% (2008)

74% (2007)

60% (2008)

72% (2004)

70% (2005)

66% (2006)

65% (2006)

61% (2009)

74% (2017)

74% (2007)

60% (2008)

57% (2003)

64% (2006)

60% (2007)

51% (2004)