Agriculture in Portugal is based on small to medium-sized family-owned dispersed units. The extent of cooperative organisation has been reaching a greater importance with globalization. Portugal produces a wide variety of crops and livestock products. Forestry has also played an important economic role among the rural communities. In 2001, the gross agricultural product accounted for 4% of the national GDP. Portugal is one of the world's largest producers of wine and cork. The land area of slightly more than 9.2 million hectares was classified as follows (in thousands of hectares): 2,755 arable land and permanent crops (including 710 in permanent crops), 530 permanent pasture, 3,640 forest and woodland, and 2,270 other land.