66% (1991)

58% (1993)

54% (1993)

67% (1992)

67% (1998)

60% (1996)

47% (1993)

65% (1997)

60% (2012)

62% (1993)

53% (1995)

59% (1995)

58% (1997)

62% (1997)

66% (1994)

66% (1996)