High tariffs on China-made products drove U.S. imports from the world’s second-largest economy to a 16-year low in June — yet the dramatic shift hasn’t put a big dent in America’s overall trade deficit.

The U.S. trade deficit narrowed in June on a sharp drop in consumer goods imports, and the trade gap with China shrank to its lowest in more than 21 years, the latest evidence of the imprint on global commerce President Donald Trump is making with sweeping tariffs on imported goods.

President Donald Trump has said his tariffs were designed to close the gap between the amount of goods imported and exported. The U.S. trade deficit declined in June, but tariffs may have played an unexpected role.