送交者: 短江学者 于 2010-09-02, 01:08:42:
Americans work in a variety of occupations. Here is a sampling:
Occupation
Number of employees
Teachers
7.2 million
Chief executives
1.7 million
Janitors and building cleaners
2.1 million
Computer software engineers
1.0 million
Aerospace engineers
137,000
Electricians
874,000
Registered nurses
2.8 million
Social workers
729,000
Clergy
441,000
Hairdressers, hairstylists and cosmetologists
773,000
Chefs and head cooks
351,000
Customer service representatives
1.9 million
Taxi drivers and chauffeurs
373,000
Firefighters
293,000
Roofers
234,000
Pharmacists
243,000
Machinists
409,000
Musicians, singers and related workers
186,000
Artists and related workers
213,000
Gaming services workers (gambling)
111,000
Tax preparers
105,000
Service station attendants
87,000
Inspectors, testers, sorters, samplers and weighers
751,000
Farmers and ranchers
751,000
Source: U.S. Bureau of Labor Statistics, as cited in the Statistical Abstract of the United States: 2010, Table 640 <http://www.census.gov/compendia/statab/>