The U.S. trade deficit narrowed significantly in April as President Donald Trump sharply escalated tariffs before pausing a large swath of the levies, U.S. Commerce Department data on Thursday showed.

Trump touted the tariffs as an effort to slash the nation’s trade deficit, which the president has said he considers a threat to the nation’s economic prosperity. Many economists disagree, however, saying the trade deficit reflects the consumer-driven engine of the U.S. economy.

The trade gap fell by more than half in April as imports plunged, the data showed. The U.S. registered a trade deficit of about $61 billion in April, marking a sharp decline from a $140 billion trade gap a month earlier.

Imports dropped by 16% in April as some trade barriers took effect, the data showed. Imports had ticked upward a month earlier as some firms rushed to stockpile supply before the levies saddled them with additional costs.

The nation’s trade gap stands well below the $131 billion deficit recorded in January, the month Trump took office.

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