78% (1985)

77% (2005)

65% (1994)

71% (1988)

73% (1995)

65% (1998)

73% (1991)

62% (1987)

60% (2022)

64% (1991)

75% (2006)

76% (1987)

61% (1993)

67% (2016)

72% (1995)

55% (1999)

72% (1992)

65% (1990)

65% (2017)

66% (1986)