65% (1970)

55% (1992)

80% (1997)

65% (1983)

67% (1990)

60% (1993)

46% (1988)

68% (1990)

54% (2016)

67% (2012)

70% (1987)

58% (2018)

70% (1989)

45% (2012)

48% (2009)

69% (1971)

40% (1972)

50% (1985)

33% (1996)

70% (1992)