64% (2012)

66% (2014)

64% (2014)

55% (2015)

70% (2005)

63% (2016)

70% (2003)

61% (2016)

73% (1995)

56% (2003)

63% (2013)

75% (1999)

64% (2011)

58% (2013)

64% (2008)

53% (2000)

66% (2001)

66% (1997)

78% (2004)

51% (2009)