83% (1983)

79% (1994)

70% (1986)

65% (1993)

82% (2012)

70% (2019)

62% (2014)

82% (1996)

70% (1994)

75% (2003)

60% (1997)

76% (1989)

78% (2015)

67% (1997)

65% (2003)

73% (1989)

100% (1970)

90% (1973)

80% (1992)

60% (1993)