Are we just quoting people who make stuff up now? I tried reading his source and that's not what the numbers there say. His '67 numbers are too low, his current

Are we just quoting people who make stuff up now? I tried reading his source and that's not what the numbers there say. His '67 numbers are too low, his current numbers too high. Although maybe I misread the original data he links to. If so, please let me know.