We know any entries in 0808 dataset that have record dates prior to the first data set being circulated should be 'original' values, and so we can do a like-for-like comparison of those two datasets for that specific period with much greater confidence.
We know any entries in 0808 dataset that have record dates prior to the first data set being circulated should be 'original' values, and so we can do a like-for-like comparison of those two datasets for that specific period with much greater confidence.