Santiago-based Supermercados Unimarc SA, the fourth largest food retailer in Chile, today announced that sales in its Q4 2002 fell 20.6% year on year to Ch$37,775m. Net sales for the year 2001 meanwhile were Ch$143,635m, a 12.4% decrease compared to the Ch$163,935m reported in the year 2000. The company attributed this decrease to greater competition, as its main competitors invested in their growth both organically and through acquisitions.