65% (2001)

67% (2005)

60% (2003)

54% (2005)

70% (2002)

63% (2003)

54% (2002)

60% (2004)

56% (2002)

49% (2003)

67% (2000)

57% (2005)

45% (2005)

55% (2000)

50% (2004)

56% (2002)

46% (2000)

46% (1999)

45% (2000)

56% (2003)