81% (2005)

63% (2008)

64% (2007)

81% (2009)

75% (2008)

60% (2008)

74% (2007)

73% (2004)

65% (2006)

70% (2008)

66% (2006)

74% (2007)

71% (2005)

61% (2009)

73% (2017)

64% (2006)

60% (2007)

60% (2008)

48% (2009)

50% (2010)