70% (2005)

51% (2001)

53% (2001)

52% (2000)

64% (2002)

61% (2002)

62% (2003)

62% (2004)

47% (2001)

58% (2005)

63% (2001)

73% (2005)

70% (2005)

49% (2005)

59% (2001)

57% (2001)

58% (2002)

45% (2004)

55% (2002)

58% (2004)