No, they have not done that.
Actually, the fact-finding project done at Base Gagetown was, in my opinion, pretty much designed to focus entirely on 1966 and 1967 and on the two and a half barrels the Americans sprayed. It didn't disregard the fact that they sprayed other chemicals, but they did not come forward with the amount of chemical they sprayed, and what those chemicals were.
For example, in 1956, they sprayed—