Imports, on the other hand, were "steady" in the latest survey period.

Economists said another weak report would be particularly telling, because the survey period for June is five weeks rather than the usual four.

Donations in those categories saw substantial increases during the survey period.

Of the students with missing results, 24 were on one rotation that we could not access during the survey period.

Where available - usually only towards the end of the survey period - instrumental observations are also included.

They achieved a response rate of above 80% during each of the survey periods.

In the survey period, the agency was reducing staff by 15,000 (about 18 percent).

Manufacturing lost 62,000 jobs, about 35,000 of these auto workers who were off payrolls for the entire survey period.

They also reported adverse events that happened during the survey period.

In the survey period last spring, 4 percent of the Internet users said they had downloaded files on an average day.