77% (1979)

63% (1988)

63% (1982)

56% (1981)

61% (1986)

38% (1972)

0% (2006)

45% (2015)

75% (1971)

73% (2001)

80% (2012)

66% (1993)

60% (1985)

37% (2001)

86% (2018)

54% (1992)

67% (2005)

43% (1964)

60% (1998)

83% (2013)