This query will show list of each table when it was last scanned
SELECT
OBJECT_NAME(OBJECT_ID) AS TableName
,[database_id]
,[object_id]
,[index_id]
,[user_seeks]
,[user_scans]
,[user_lookups]
,[user_updates]
,[last_user_seek]
,[last_user_scan]
,[last_user_lookup]
,[last_user_update]
,[system_seeks]
,[system_scans]
,[system_lookups]
,[system_updates]
,[last_system_seek]
,[last_system_scan]
,[last_system_lookup]
,[last_system_update]
FROM sys.dm_db_index_usage_stats
WHERE database_id = DB_ID( 'NameOfDatabase')
Note: Replace the ‘NameOfDatabase‘ with the name of your database. Also be sure run the query in the context of the same database.