United States - Real farm output: Change in farm materials and supplies inventories was 0.75800 Bil. of Chn. 2009 $ in January of 2022, according to the United States Federal Reserve. Historically, United States - Real farm output: Change in farm materials and supplies inventories reached a record high of 2.81100 in January of 2002 and a record low of -1.87900 in January of 1999. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Real farm output: Change in farm materials and supplies inventories - last updated from the United States Federal Reserve on April of 2024.