The March sales figures were released today - up 1.6% which is respectable given the past couple of years. These numbers don't tell the whole story. The sales increase is usually reported versus the previous year. A more interesting metric is how the sales have fared since the peak value (November 2007).
What we have done is to index the sales for every retail category to the November 2007 peak to see how the compare today. Food & Personal Care are ahead of the previous peak