63% (2006)

54% (1993)

68% (1988)

60% (1999)

67% (1997)

50% (2002)

40% (2003)

50% (2003)

53% (1992)

64% (1998)

38% (1998)

62% (1989)

47% (2004)

75% (1999)

59% (2002)

50% (1998)

61% (2004)

65% (2012)

65% (1990)

54% (1999)