Roosevelt had been right about the French record in Indochina; it was the most exploitative in Asia. The French administration concentrated on promoting the production of those goods—rice, coal, rubber, silk and certain spices and minerals—most profitable to export while manipulating the native economy as a market for French products. It provided an easy and comfortable living for some 45,000 French bureaucrats, usually those of mediocre talent, among whom a French survey in 1910 discovered three who could speak a reasonably fluent Vietnamese.