Covad Communications reported financial results for its fourth quarter and fiscal year, its first as a public company. The competitive local exchange carrier lost $19.9 million, or $2.96 per share for the quarter, compared to a loss of $1.5 million, or 37 cents a year ago. Revenue for the quarter rose to $2.8 million. Covad said it increased its digital subscriber lines by 105 percent during the quarter to more than 3,900. The company said it's on track to offer its service in 22 regions in the United States by the first quarter of 2000.