關於「Average exchange rate」標籤，搜尋引擎有相關的訊息討論：

Yearly average currency exchange rates | Internal Revenue Servicewww.irs.gov › individuals › international-taxpayers › yearl...Foreign Exchange Rates - G.5A Annual - Federal Reserve Boardwww.federalreserve.gov › releases › currentExchange Rates - Singapore - IRASwww.iras.gov.sg