The six largest automakers in the US market have all reported December sales declines of more than 30-percent, capping the industry's worst year since 1992. Of the major US automakers, Chrysler turned in the worst performance. GM reported a 31-percent drop in sales. For the first time, the major Asian carmakers - Toyota, Nissan, and Honda -- all reported sharp declines. +++SYN-MAZ++++++ SYN-MAZ +++