70% (1989)

50% (1992)

47% (2023)

57% (1991)

68% (1977)

54% (1982)

69% (1999)

50% (1980)

58% (1972)

69% (1988)

72% (1987)

68% (1978)

54% (1994)

46% (1994)

45% (1991)

52% (1996)

70% (2010)

78% (2015)

75% (2006)

30% (1997)