That is an interesting idea Michael, I believe that Projects do have a
(derived) amount of hours at that level, but it would be "in total",
with no opportunity to break it into annual amounts. Similarly, although
it is possible to filter for Projects by examining one of its
collections (such as Tasks, and -- possibly -- Task hours), the result
would then "return" the Projects that match the filter (e.g. those
Projects that HAD time entered within a particular year, which although
somewhat useful...