I would think more value would be had by scanning all of the previous year's chess magazines.
Accessing the archives would require somebody in Ottawa with unlimited time to photocopy all of the CFC crosstables stored there (about 15 good sized boxes worth), and then take them somewhere and scan them.
I think that the crosstables there only go up to the mid-80's. There must be about 10-12 additional years worth of crosstables that are in storage at the CFC somewhere (maybe).