Self-employment rates by industry, unincorporated self-employed, selected industries, 2003 2003 Transportation and public utilities 5.1 Leisure and hospitality 5.9 Wholesale and retail trade 6.0 Financial activities 7.6 Professional and business services 13.7 Other services 15.7 Construction 16.9 Agriculture, forestry, fishing, and hunting 41.8 Self-employment rates are calculated by dividing the number of self-employed workers in a specified worker group by total employment in the same worker group.