21.   Online sales doubled in the previous holiday season, according to Forrester.

22.   Prescient, which also sells systems to government agencies, has seen sales double in the last week, he said.

23.   Prices were decreased for the small Ranger pickup, and sales doubled.

24.   Sales doubled in the first year.

25.   Sales doubled last Tuesday and Wednesday, he said, and then tripled on Thursday.

26.   Sales had doubled since Sunday night, the manager, Jim Vitel, said.

27.   Sales have doubled, moving beyond Parisian boutiques to stores in Hong Kong, Japan and an East Village boutique called Horn in New York.

28.   Season-ticket sales nearly doubled in his first season.

29.   Sales are doubling every three years, the company says.

30.   Sales have doubled every year in the last four years.