Tesco’s lead in the supermarket league table increased last year, according to the Institute of Grocery Distribution. In the year to June 1998, Tesco accounted for 15.6% of all UK supermarket sales, an increase from 14.9% the preceding year. The chain’s total revenues hit £89 billion, leaving nearest rival, J Sainsbury lagging with share reduced from 12.7% to 12.6%. The combined revenues of the top ten British supermarkets soared from 51.5% of UK food sales in 1990 to just over 60%.