81% (2005)

63% (2008)

80% (2009)

73% (2004)

74% (2007)

75% (2008)

60% (2009)

60% (2008)

73% (2017)

65% (2006)

40% (2009)

65% (2006)

49% (2010)

60% (2007)

60% (2008)

70% (2005)

64% (2006)

62% (2005)

58% (2003)

56% (2009)