Hi Mila,
Firstly, welcome to the castle!
The Commonwealth Games 50 cent series were not circulation issues. There were available as individual carded coins at $4.95 each - or one could purchase the full set in one go in a special folder.
As for the Dansco Album - I don't actually have the 50 cent one, but as far as I know, non of the Aussie Dansco albums have been updated for quite a few years now. I do know the denominations which don't have comemmoratives go up to around 2015 (or thereabouts), but I think the 20c, 50c and $1 albums only go to around 2000. (with extra unmarked section for ongoing years). Hopefully someone else will be able to give you more exact dates.
Anna