65% (2001)

54% (2005)

67% (2005)

70% (2002)

61% (2003)

63% (2003)

67% (2000)

61% (2004)

58% (2002)

54% (2002)

46% (2005)

48% (2003)

46% (2000)

57% (2005)

55% (2000)

56% (2002)

45% (2000)

56% (2003)

46% (1999)

50% (2004)