65% (2001)

67% (2005)

54% (2005)

70% (2002)

63% (2003)

61% (2003)

60% (2004)

55% (2000)

66% (2000)

58% (2002)

46% (2005)

54% (2002)

56% (2002)

57% (2005)

48% (2003)

50% (2004)

46% (2000)

46% (1999)

56% (2003)

45% (2000)