80% (1999)

76% (2008)

75% (2002)

64% (2016)

74% (2004)

62% (2012)

72% (2016)

75% (2007)

63% (2016)

55% (2016)

47% (2010)

70% (2011)

67% (2008)

67% (2002)

72% (2005)

69% (2012)

69% (1993)

73% (2011)

64% (1994)

62% (2010)