75% (1993)

67% (2001)

50% (2007)

50% (2022)

72% (1989)

66% (1997)

75% (1991)

71% (1990)

57% (2004)

74% (1992)

43% (2001)

68% (1997)

65% (1986)

78% (1993)

75% (1987)