WISCONSIN is situated in the upper midwest of the United States and is known as the ''Dairy State'' for its large production of dairy products. Wisconsin is also noted for its strong industrial base and for its large agricultural capabilities. More than 200 Wisconsin companies are involved in international trade, and the value of the state's exports exceeds US$6 billion a year. With gently rolling hills and fertile top soil, Wisconsin is among the top 10 most profitable US farming states. It is first in the US in its production of milk, butter and cheese; 90 per cent of the American ginseng crop in the US is grown in Wisconsin, while $70 million of ginseng is exported to Hongkong each year. Wisconsin agribusiness has long benefited from the University of Wisconsin's research activities into agrigenetics, biogenetics, and related fields. Productive forests cover 42 per cent of Wisconsin, with an annual timber harvest of $361 million per year. The many varieties of hard and soft woods are used in manufacturing, and the state has been the number one producer of fine paper products for nearly 40 years. Tourism is Winconsin's second largest revenue producer, with 65 per cent of tourists coming from outside of the state.