72% (2005)

82% (2007)

57% (2011)

75% (2004)

77% (2009)

76% (2008)

87% (2015)

63% (2016)

70% (2012)

52% (2015)

50% (2008)

70% (2007)

0% (2008)

72% (2015)

81% (2013)

72% (2008)

70% (2014)

64% (2011)

70% (2005)

75% (2001)