74% (2007)

73% (2014)

82% (2005)

0% (1996)

75% (1983)

44% (1991)

90% (2008)

86% (2020)

0% (2001)

56% (1998)

71% (2005)

64% (2017)

76% (1997)

74% (2012)

66% (2013)

82% (2014)

87% (2010)

77% (2000)

50% (1955)

71% (1990)