Passage: In 1966, Cadillac had its best annual sales yet, over 192,000 units (142,190 of them de Villes), an increase of more than 60%. This was exceeded in 1968, when Cadillac topped 200,000 units for the first time. 1967 and 1968 saw the introduction of a host of federally mandated safety features, including energy-absorbing steering columns and wheels, soft interior and instrument panel knobs and surfaces, front shoulder belts, and side marker lights.

Question: What year was record setting for Cadillac in the sales department?
1966