69% (2006)

71% (2004)

66% (1987)

56% (1999)

52% (1991)

50% (1995)

56% (1983)

56% (1993)

62% (1975)

90% (2023)

58% (2001)

58% (2016)

55% (1989)

80% (2012)

55% (2002)

58% (1992)

63% (1997)

50% (1995)

62% (1978)

73% (2021)