as for mr  's point that not mr  b steven  's point that the erm figures for the strategic guidance for west and south yorkshire were done on a different basis, those figures with the exception of sheffield, were erm figures that were put in by the local planning authorities, the secretary of state accepted those figures, they were done on the nineteen eighty five based household projections, coupled with different assumptions about vacancy rates and demolitions etcetera, and the secretary of state accepted those figures.