Sure, the phrase “yoy year on year” means the same as “year after year.”

Definition:

• Yoy year on year: Refers to a trend or change that occurs in the same manner from one year to the next.

Meaning:

When something increases or decreases “yoy year on year,” it means that it is increasing or decreasing at a constant rate from one year to the next. For example:

• “The company’s revenue increased yoy year on year.”
• “The number of students enrolling in the program has decreased yoy year on year.”

Equivalent phrases:

• Year after year
• Year-on-year
• Successive years