There are no reliable data on them before the 15th century.

For the rest of it, he said, there is little reliable data.

Reliable data are difficult to come by, as has already been stated here several times.

There is little reliable data showing the impact of the problem, however.

"So we're trying to respond quickly" to the need for more reliable data.

So we need to have reliable data on education, science, research and innovation.

Reliable data for when people would actually marry is very difficult to find.

There are no reliable data, however, on whether their numbers have grown or who they may be.

As yet, there is minimal reliable data on these issues.

They chose us to provide them with the most reliable data network available.

Consequently, there are no reliable data on their total numbers.

We have not enough reliable data upon which to base a finding of fact Nor does it matter in the least.

There are also no reliable data on the number of pregnant women who drink.

In the eyes of the academic, there is not enough reliable data to form a firm conclusion.

She called this increase a "positive trend" but said that the city needed more reliable data.

Long period of time required to achieve statistically reliable data.

There is no reliable data on range and top speed for this prototype available.

There is no reliable data on the number of practicing Muslims.

I do not think it right to bring in mandatory insurance for environmental damage until such time as reliable data become available.

Reliable data on this percentage are readily available for several decades.

There is no reliable data for earnings from retail sales.

There are no reliable data on its population, though.

A large number of points can be analyzed with statistics to determine the most reliable data.

Almost 90% of the effort in doing a life cycle assessment involves getting reliable data.

There are no reliable data on actual investments in the sector.