"Annual evaluations" refers to a process where someone's performance or progress is reviewed once a year to assess how well they are doing in their job or a particular task. Full definition
I want a job that believes in annual evaluations and raises. (members.climber.com)
In 2009, only 15 states required annual evaluation of all teachers. (ascd.org)
A scientific advisory board of distinguished outside specialists conducts annual evaluations of scientific progress and reviews future research objectives. (lji.org)