Japan's service industries, including trade, are the major contributor to gross national product (GNP), generating about 74.1 percent of the national totals in 2004. Moreover, services are the fastest growing sector, outperforming manufacturing. The service sector covers many diverse activities. Wholesale and retail trade was dominant, but advertising, data processing, publishing, tourism, leisure industries, entertainment, and other industries grew rapidly in the 1980s. Most service industries were small and labor-intensive but became more technologically sophisticated as computer and electronic products were incorporated by management