In response Kim Runner to her Publication
"It did not give any details on which countries these could be, but banks that do not regularly publish information about their gold stockpiles include those of China and Russia..."
https://www.reuters.com/markets/commodities/record-central-bank-buying-lifts-global-gold-demand-wgc-says-2022-11-01/
https://twitter.com/GoldTelegraph_/status/1587444108838174725?s=20&t=4m5HsHRmaZSv7s4lLTvxO
Record central bank buying lifts global gold demand, WGC says | Reuters
Central banks bought a record 399 tonnes of gold worth around $20 billion in the third quarter of 2022, helping to lift global demand for the metal, the World Gold Council (WGC) said on Tuesday.
https://www.reuters.com/markets/commodities/record-central-bank-buying-lifts-global-gold-demand-wgc-says-2022-11-01/