31.   Such figures are only rough estimates involving guesswork on factors like the amount of cocaine being produced and processed.

32.   Ten million is the rough estimate for China alone.

33.   The new measure, based on monthly measurements instead of rough annual estimates, is more accurate and more flexible, an official said.

34.   The numbers are rough estimates because the Republicans have not said specifically what they plan to cut.

35.   These are only rough estimates based on the animals and plants we have catalogued.

36.   They are rough estimates at best.

37.   Though the retail sales report was a rough estimate based on a small number of respondents, analysts said it has become clear that consumers are retrenching.

38.   Well, start with the rough estimate that only a little more than half the U.S. population has Internet access.

39.   When pressed by Sen. Rick Santorum, R-Pa., the chiefs offered rough estimates of the new spending that they would need to address those problems.

40.   But tight end Shannon Sharpe, who ate dinner with Siragusa on Monday, offered a rough estimate of how heavy his teammate really is these days.