44% (2001)

54% (2003)

44% (2002)

56% (2003)

52% (2004)

42% (2003)

37% (2004)

46% (2003)

59% (1999)

42% (2000)

28% (2001)

36% (2002)

66% (2005)

48% (2005)

55% (2005)

37% (2000)

40% (2001)

57% (2000)

56% (2004)

53% (2002)