45% (1993)

43% (1998)

64% (1995)

68% (1993)

48% (1995)

56% (1998)

57% (1997)

59% (1993)

64% (1998)

48% (1995)

62% (1997)

61% (1996)

48% (1997)

78% (2020)

67% (1994)

36% (1988)

38% (1991)

61% (1999)

64% (1995)

44% (1997)