1. 2a. Number and percentage of construction establishments and employees, by establishment size, (With payroll)
Establishment size Number of % of all Number % of all
(number of employees) establishments establishments of employees employees
1 to , % ,409, %
10 to , % , %
20 to , % ,868, %
100 to , % ,069, %
500 or more % , %
Total , % ,669, %

2. 2b. Number of construction establishments, 1977-2012 (With payroll)

3. 2c. Number of construction employees, 1977-2012 (With payroll)