check this out:
Application volumes by occupation
The AINP has a high volume of applications and Alberta Express Entry submissions in the following occupations. These submissions may take longer to process.
1311 – Accounting technicians and bookkeepers
6311 – Food service supervisors
6322 – Cooks
6211 – Retail sales supervisors
4212 – Social and community service workers
1221 – Administrative officers
1241 – Administrative assistants
0621 – Retail and wholesale trade managers
2145 – Petroleum engineers
4011 – University professors and lecturers
https://www.alberta.ca/ainp-processing-inventory.aspx
maybe this is why it takes more time in your case...