41% (1999)

51% (2004)

58% (2004)

46% (2000)

42% (1998)

57% (2003)

61% (1996)

62% (2002)

50% (2001)

50% (1999)

31% (2003)

58% (2003)

52% (2001)

61% (2000)

21% (2004)

60% (1997)

47% (2000)

26% (2004)

75% (2002)

55% (2000)