68% (2016)

62% (1985)

68% (1980)

51% (1991)

65% (1984)

57% (1988)

41% (1999)

58% (1979)

45% (2011)

28% (1983)

60% (1980)

26% (1971)

55% (1993)

52% (1999)

60% (2022)