68% (2011)

70% (2009)

70% (1990)

70% (1982)

70% (1981)

68% (1976)

65% (1992)

10% (1995)

100% (1996)

70% (2007)

70% (1959)

62% (1980)

0% (2003)

45% (2005)

80% (2017)

82% (2019)

76% (1970)

0% (1994)

58% (1979)

60% (2019)