プログレッシブ和英中辞典(第4版)の解説
ねんがく【年額】
the annual amount [sum]
税収の年額
annual tax revenues
その本屋の利益は年額大体2千万円位だ
The annual profit at that bookstore is about twenty million yen.
彼は年額にして800万円の収入がある
He earns [gets] eight million yen a year.
年額100万円返す
return one million yen every year/pay back the money in yearly installments of one million yen