The region still has a large agricultural base. As of 2002, the region had 282,700 farms, covering , or 36.3% of the region's total land area. Cavite alone has almost of agricultural land. Laguna is home to the International Rice Research Institute, which can be found within the University of the Philippines Los Baños, whose main goal is to find sustainable ways to help rice farmers. Batangas, meanwhile, is home to a large pineapple and coconut industry, which is used to make Barong Tagalogs and native liqueurs such as lambanog and tuba in Tayabas City. Quezon is the country's leader in coconut products such as coconut oil and copra. Rizal is known for its piggeries. Region IV-A's agricultural base, however, is slowly decreasing. Due to their proximity to large bodies of water, Laguna and Batangas also have sizable fishing industries. Taal Lake is a large source of fresh water fishes for the country.