an average annual increase of

例句：

1. 1. The company's revenue has increased by an average annual increase of 20% since the last fiscalyear.
   该公司的收入自上一财政年度以来，平均年增长率为20%。
2. 2. The stock price has seen an average annual increase of 5% in the past five years.
   过去五年中，股票价格的平均年增长率为5%。
3. 3. The economy is expected to grow at an average annual increase of 3% in the next decade.
   预计未来十年经济增长率将保持在3%的年均增长水平。