You really think that your productivity has risen more than 10% every year? Do you have any numbers to back that up? I know you use a ticket tracking system. You can add up all your completed story points, by year, pretty easily. If you're really getting 10% better every year, consistently, it should be easy to ask for a bigger raise.
My experience is that developers don't increase their value as fast as they increase their pay.
My experience is that developers don't increase their value as fast as they increase their pay.