[Boshusan]

Jetman was popular indeed, understand : the toys sales were very good.

If you're interested in TV ratings and numbers, I found this :
http://henshingrid.blogspot.fr/2011/...gs-vs-toy.html

Then, as the nostalgia factor occurs, more people tend to consider that Dairanger, that aired two years later, is THE show to watch if you want to watch showa era super sentai (dixit AkibaRed). But I still prefer Jetman.