Manufacturers' and trade inventories, adjusted for seasonal variations but not for price changes, were estimated at an end-of-month level of $1,929.6 billion, virtually unchanged from February 2018, but were up 3.8 percent (±0.3 percent) from March 2017.
The total business inventories/sales ratio based on seasonally adjusted data at the end of March was 1.34. The March 2017 ratio was 1.38.