21.   The sample is limited in size, and the researchers noted that they had no control over who took the survey, potentially influencing the results.

22.   The second column is their prediction for September, when the next survey will be taken.

23.   The records the assistant commissioner left for posterity are sketchy, and they do not indicate specifically which postwar year his survey was taken.

24.   The survey was taken before the Republican candidate announced his tax cut plan on Monday.

25.   The second column is their prediction for business conditions in June, when the next survey will be taken.

26.   The second column is their prediction for in December, when the next survey will be taken.

27.   The survey is taken among umbrella mission agencies, which coordinate missions for most denominations.

28.   The survey was taken before the recent market slump.

29.   Then it takes a survey of all the programs on your hard disk and transmits that information to a special Web site maintained by Cybermedia.

30.   This might help, for instance, in taking accurate surveys of bottom fish.