Possible covert. If somewhere in the great war machine estimates to the number of villages destroyed, people displaced, casualty estimates from mass bombing. Of course, none would make great PR, but if historians have ever uncover a trove of data suggesting really detailed figures that were estimated. (crop lands/factories made unusable, agent orange burn estimates, schools destroyed....
The short answer is "No". the longer answer I expand on here where I discuss the fairly broad range of estimates for casualties in the conflict.