By the numbers. Construction.
D001108:Architecture / Q000706:statistics & numerical data; D003284:Contract Services / Q000706:statistics & numerical data; D005160:Facility Design and Construction / Q000706:statistics & numerical data* / Q000639:trends; D019981:Health Care Sector / Q000458:organization & administration / Q000706:statistics & numerical data*; D019538:Health Care Surveys; D006801:Humans; D014481:United States