There is NOT even a date on that page... but I suppose that there will be a correlation with other records... and then within GOX there are a lot of records of various transactions and trandes that may have taken place between the date of the deposit and the date of the closing of the exchange.  HOWEVER, I am confident that ONLY a small portion of GOX customers went through the effort to save those various pages of electronic data (even though there were several weeks in which that saving of pages could have been done (between the time of the discontinuance of withdrawals until the time of the shutting off  of the website)..