In 2002, in the United States, 21,904 Christmas tree farms covering of cropland accounted for the 20.8 million Christmas trees cut. Of those farms, 686 harvested or more, which accounted for over of the total area of trees harvested. That same year, there were only three U.S. Christmas tree farms with more than of cropland in production. The total U.S. crop in 2004 was valued at $506 million with $143 million attributed to the nation's leading producer in 2004, Oregon. Oregon was followed in production numbers by North Carolina, Washington, and Michigan. In 2012, 24 million trees were sold at a retail value of over $1 billion.