21.   Public health officials consider such data the most reliable indicators of the epidemic, although they leave many questions unanswered.

22.   Such rock-bottom ratings, over several different five-year periods, turned out to be reliable indicators that a fund will continue to underperform.

23.   The budget resolution approved by the Senate, though not binding, is a reliable indicator of what senators want to do, and lawmakers can be remarkably tenacious.

24.   The Japanese report suggests that they have achieved greater efficiency, but other scientists said the study was too small to be a reliable indicator of future efficiency.

25.   The polls are regarded as a reliable indicator for the outcome.

26.   What, however, would make a reliable indicator of high genetic quality?

27.   While not a particularly reliable indicator, the rise in weekly jobless claims could be an early sign that the surge in hiring is ebbing.

28.   A reliable indicator of the soundness of an insurer and by extension, the insurance sector, is its operating profit or loss.

29.   Analysts consider demand for machine tools a reliable indicator of the strength of the manufacturing sector and the overall economy.

30.   Analysts say passenger car sales are a more reliable indicator of economic recovery.