70% (1991)

57% (2003)

44% (2006)

20% (1974)

80% (1988)

60% (1951)

70% (1979)

52% (1979)

50% (2023)

75% (1987)

70% (2003)

63% (2021)

35% (1994)

61% (1980)

58% (1993)

77% (1997)

65% (1998)

49% (1972)

70% (1979)

27% (2000)