74% (1993)

71% (1994)

77% (1991)

63% (1992)

67% (1994)

60% (1995)

59% (1992)

64% (1993)

67% (1993)

75% (1992)

63% (1995)

60% (1994)

64% (1992)

63% (1992)

56% (1994)

67% (1994)

65% (2023)

69% (2009)