This is the 29th most frequent Hungarian word.
éves
"Éves" means "annual" or "yearly" in English.
In this sentence, 'éves' is used as part of a compound word ('húszéves') to indicate age in years.
Én egy húszéves diák vagyok.
I am a twenty-year-old student.
In this context, 'éves' again acts as an adjective, describing the periodicity of the report.
Az éves jelentés már elérhető az interneten.
The yearly report is already available online.
Here, 'éves' functions as an adjective meaning 'annual', modifying the noun 'költségvetése' (budget).