54% (1996)

45% (1993)

58% (1992)

72% (1993)

67% (1993)

58% (2006)

63% (1996)

73% (1994)

60% (1992)

60% (1996)

57% (1993)

62% (1996)

60% (1992)

54% (1992)

63% (1996)

63% (1996)

48% (1997)

50% (1994)

62% (1992)

63% (2007)