62% (1995)

48% (1995)

65% (1994)

54% (1996)

53% (1994)

56% (1997)

46% (1991)

48% (1995)

47% (1997)

48% (1987)

55% (1992)

54% (1995)

59% (1993)

44% (1997)

78% (2017)

50% (1998)

67% (1995)

37% (1991)

66% (1999)

48% (1993)