63% (1998)

60% (1997)

71% (1994)

61% (1994)

40% (1996)

70% (1995)

76% (2020)

60% (1997)

63% (1995)

66% (1992)

59% (1993)

58% (1997)

57% (1996)

63% (1996)

58% (1998)

59% (1991)

66% (1994)

60% (1996)

65% (1998)

70% (1998)