By Anne Brockhoff Brown-Forman has sold about 20% more Jack Daniel's whiskey in the UK than it had by this time a year earlier, the US spirits group told investors on Wednesday. Sales in Britain are expected to reach about 600,000 cases in fiscal 2002, and growth is also expected in Spain, Italy and Korea, chief executive Owsley Brown said during a presentation at the Credit Suisse First Boston Consumer Products Conference in New York.