Ann: Appendix 3Y - Change of Director's Interest Notice, page-11

It is clarified in detail to the ASX on 15th Nov announcement.
It is monthly revenue from each currently contracted customer multiplied by 12.
Ie It is not the annual revenue. Much, much easier to achieve in the timeframes.
The way I read it they would include a full year of revenue for a customer whose contract was ending next month (and may never pay any more) And a full year of revenue for customers that had signed up within the last year.