45% (2004)

53% (2002)

55% (2002)

59% (2000)

57% (2000)

55% (1998)

75% (1993)

47% (2004)

63% (1999)

67% (2001)

65% (1996)

75% (1999)

42% (2000)

40% (2003)

55% (2004)

64% (1993)

67% (1997)

50% (2002)

47% (2004)

67% (2003)