This is the 4704th most frequent Japanese word.
昨年度
"昨年度" means "last fiscal year" or "previous academic year."
In this sentence, 昨年度 refers to the last fiscal year, emphasizing the period used for business reports or budgeting purposes.
昨年度は売り上げが順調でした。
Last fiscal year, sales were steady.
In this sentence, 昨年度 is used to indicate the temporal context of the project, signifying that it belonged to last year.
昨年度のプロジェクトが無事に終了しました。
The project from last year successfully concluded.
Here, 昨年度 specifies the timeframe of the data acquisition, important for contextualizing analysis activities.