6.5%
Building Trade Unions
2.7%
Special Trade Contractors
2.4%
Building Trade Unions
1.8%
Public Sector Unions
1.6%
Health Services/HMOs
1.2%
Health Services/HMOs
0.78%
Special Trade Contractors
0.47%
General Contractors
0.39%
Health Professionals
0.23%
Building Trade Unions
0.13%
Hospitals/Nursing Homes