When was the image of the Fiat X1/9 stolen by Richard Pryor in the movie Silver Streak(1976) added?

http://www.imcdb.org/vehicle_31004-Fiat-X1-9-128AS-1974.html

Because I read an article on IMCDb, and somebody claimed that the site doesn't have it.
http://www.autoblog.com/2006/04/07/tracking-down-the-cars-of-the-stars-in-hollywood-and-beyond-imc/#commentform