59% (2003)

61% (2007)

66% (2007)

73% (2003)

51% (2001)

60% (2002)

59% (2006)

70% (2003)

53% (2003)

58% (2007)

56% (2003)

72% (2007)

58% (2001)

63% (2003)

46% (2005)

54% (2006)

57% (2005)

51% (2007)

54% (2004)

41% (2003)