57% (1997)

63% (1993)

54% (1995)

48% (1993)

66% (1997)

60% (1994)

62% (1997)

45% (1993)

78% (2020)

58% (1998)

55% (1996)

60% (1989)

68% (1994)

42% (1998)

66% (1999)

54% (1993)

58% (1998)

56% (1995)

47% (1997)

62% (1998)