But, over time, they don't give large raises. This is called front-loading.
The longer you have been on a payroll, the more likely it is that you are
There are online calculators that let you get insight into your salary in comparison with others in your field with your experience.
The story is here: https://www.cnbc.com/2017/09/29/wage-calculators-could-tell-you-if-youre-being-paid-what-youre-worth.html
Take time to run a check. If it seems way out of line, up or down, compare the results of one of the others.
If you are overpaid, don't tell your boss.