68% (2003)

55% (1992)

64% (2010)

64% (1997)

59% (2017)

40% (1992)

70% (1994)

58% (1994)

58% (1988)

69% (1971)

65% (1992)

55% (2010)

43% (1993)

66% (1971)

38% (1991)

63% (1979)

50% (1984)

51% (1981)

45% (2024)

35% (1979)