65% (2001)

61% (2004)

54% (2005)

68% (2005)

60% (2003)

70% (2002)

67% (2000)

54% (2002)

63% (2003)

49% (2004)

57% (2002)

46% (2005)

56% (2005)

54% (2000)

55% (2002)

46% (2000)

49% (2003)

43% (2000)

46% (1999)

55% (2003)