mike1983
The six Work Focussed Interviews normally take place over a 12 month timescale.
The first is usually in the third month of a new claim, weeks 8-13.
After that it will be dependant on how your ability to work is viewed, if you are not seen as a viable candidate for employment, due to your disabilities, then it is not unusual for the remaining interviews to be delayed and even deferred.
Conversely, if they think you are just what the market is looking for
then the interview might be quite close together.
I am afraid there is no definitive answer.
Gordon