I do not understand where you are getting your figures. The letter from your attorney specifically asks for loss of income after 2001, when the alpa responsibility of the dfr ensued.
http://www.twapilot.org/TWA%20vs.%20ALPA%20Documents/Survey%20and%20Letter%20from%20Attorneys.pdf
http://www.twapilot.org/TWA%20vs.%20ALPA%20Documents/Survey%20and%20Letter%20from%20Attorneys.pdf