What were the specific dates from January 1, 2020, to December 31, 2024, when London Gold (XAUUSD) dropped by more than $80 in a single day? Please list these dates and the corresponding daily drop in USD (rounded to the nearest integer), presented in a table sorted by date in ascending order.

```reference [{"type":"table-json","id":2}] ``` Summary: We retrieved London Gold (XAUUSD) daily prices for 2020-01-01 to 2024-12-31 . By comparing each close with the previous day’s close, we isolated sessions where the price fell by more than $80 and rounded each drop to the nearest dollar. The resulting table lists all qualifying dates in chronological order.