I guess, it can be based on nationality, job occupation, category, age, wage, etc.....
If someone changed tHeir employer, it can be another reason to be delay
If someone changed tHeir employer, it can be another reason to be delay
Don't rely too much on their processing time. Always have some extra few months. AINP processing time has been well-known for increasing and delay without notice. Trust me or not, many ppl have been in that situation. So good or bad, just be well prepared at all time instead of "relax".
And if you check their website, you do see: Note: Each application is assessed individually and some take longer to process than others.