59% (1998)

76% (2001)

51% (1990)

86% (2011)

80% (2008)

82% (2005)

54% (2015)

45% (1999)

38% (1947)

76% (1964)

82% (2005)

42% (1991)

83% (2018)

71% (1969)

53% (2003)

63% (2010)

60% (2003)

58% (1985)

86% (1976)

54% (1979)