81% (2005)

63% (2008)

81% (2009)

64% (2007)

73% (2004)

60% (2008)

75% (2008)

74% (2007)

65% (2006)

70% (2008)

70% (2005)

66% (2006)

74% (2017)

60% (2008)

74% (2007)

64% (2006)

61% (2009)

60% (2007)

40% (2009)

57% (2003)