63% (2008)

81% (2009)

74% (2007)

73% (2004)

60% (2008)

66% (2006)

75% (2008)

70% (2005)

74% (2017)

60% (2008)

65% (2006)

62% (2005)

49% (2010)

65% (2006)

60% (2009)

60% (2007)

40% (2009)

53% (2011)

57% (2003)

51% (2004)