65% (1992)

50% (2002)

57% (1993)

63% (1997)

60% (2004)

49% (1999)

53% (2002)

45% (2001)

45% (1992)

62% (1999)

71% (2000)

40% (1994)

54% (1999)

62% (1993)

59% (2001)

67% (1962)

57% (1997)

43% (1996)

66% (1995)

61% (2001)