These values haven't changed since the types have been introduced to PostgreSQL:
https://archive.softwareheritage.org/browse/revision/d31084e9d1118b25fd16580d9d8c2924b5740dff/?path=src/backend/catalog/pg_type.h#L95
https://archive.softwareheritage.org/browse/revision/d31084e9d1118b25fd16580d9d8c2924b5740dff/?path=src/backend/catalog/pg_type.h#L200