Where it comes from
The line in the source
US dollar (USD) 1.1278 / Japanese yen (JPY) 163.1400 (May 2025, EUR-based)
In English
Banque de France EUR-cross monthly average; USD/JPY = 163.1400 / 1.1278. The page disclaims it as not an official reference. The Fed H.10 and FRED were not reachable (see blocked list).