Hi HB,
I believe comparing a five year with five year is a truer representation of gauging the changes.
Every year you increase one year increment ( up until 10 years ), this is a reward for staying with the company.
By sliding from five years of service to nine or ten years of service skews the linear comparison of wages.
The same outcome would be achieved if I compared a ten year Captain with a fifteen year Captain....
Why have you not included the retention in the 2018 calculation.
Read 29.1.
Cheers,
Josh