Screwed the Undeclared War Against the Middle Class (6 page)

Book publishers 63%

Cement, concrete, lime, and gypsum products 62%

Engine, turbine, and power transmission equipment 57%

Rubber products 53%

Nonmetallic mineral product manufacturing 53%

Plastics and rubber products manufacturing 52%

Plastics products 51%

Other insurance-related activities 51%

Boiler, tank, and shipping containers 50%

Glass and glass products 48%

Coal mining 48%

Sugar and confectionery products 48%

Nonmetallic mineral mining and quarrying 47%

Advertising and related services 41%