you could say "the data is inconclusive"
Specific data is always going to be more reliable than general data. The reason for this, is because people can answer more accurately, without giving a broad answer to a question.
There is not enough data available to answer this question properly.
There is not enough data available to answer this question properly.
Realistically, there is not enough data to answer this question.
Realistically, there is not enough data to answer this question.
There is not enough statistical data to answer this question properly.
Realistically, there is not enough data to answer this question.
Realistically, there is not enough data to answer this question.
There is not enough data available to answer this question properly.
Realistically, there is not enough data to answer this question.
There is not enough statistical data to answer this question properly.
There is not enough data available to answer this question properly.