The phrase "a tally based on" is correct and usable in written English.
You can use it when referring to a count or record that is derived from specific data or criteria.
Example: "The report provides a tally based on the number of participants in each category."
Alternatives: "a count derived from" or "a record according to".
A Reuters tally, based on official results published so far, suggested the pro-Rouhani camp and allied independents were leading in the parliamentary vote.
At least 89 people – including vaccination workers and police officers – have been killed in such attacks since July 2012, according to a Reuters tally based on United Nations figures and media reports.
At least 150 people have been killed since the separatists took up arms against Kiev in early April, according to an AFP tally based on UN and Ukrainian government figures.
After initially posting a $517m total, $7.9m short of the dinosaur disaster epic's $524.9m record from June, experts have upgraded Disney's debut visit to a galaxy far, far away's final tally based on a better-than-expected Sunday at the North American box office.
The F6 tally based on the assumption of an electronic balance exists in the tally region.
In the weeks and months that followed, hundreds of Tibetans were arrested; by her own tally, based on accounts of those she said she trusts, as many as 300 people may have died at the hands of public security forces.
The audience tally, based on Nielsen's estimates for the 8 p.m. hour, does not include the last nine minutes of "Idol," which carried over into the 9 p.m. time slot of Fox's "Fringe".
This article proposed an adaptive method with an account user's preferences that are tallied, based on the frequency of user query requests during data dissemination.
This study proposes an adaptive method in consideration of an account user's preferences that are tallied, based on the frequency of user query requests during data dissemination.
The opposition alliance headed by Abdullah Abdullah, who lost a tainted presidential election to Hamid Karzai last year, says that its own vote tallies, based on partial results, show that it is certain to win 70 seats, and once all results are in, it may win as many as 100 in the 249-seat Parliament. 249-seat Parliament
