76% (1997)

68% (1994)

77% (1996)

71% (1990)

73% (1995)

79% (1996)

72% (1998)

49% (1997)

79% (1998)

60% (1997)

73% (1994)

67% (1992)

61% (1997)

63% (1995)

70% (1995)

76% (2020)

63% (1993)

54% (1993)

63% (1995)

43% (1998)