Question: what are the ncreif regions?
Answer: The index includes 373 properties in the Corn Belt, 229 in the Pacific West, 138 in the Delta States, 116 in the Lake States, 85 in the Mountain States, 83 in the Pacific Northwest, 67 in the Southeast, 34 in the Northern Plains, 21 in the Southern Plains, and 6 in the Appalachian Region.