How many blimps are there in the world

A blimp, or non-rigid airship, is an airship without an internal supporting framework or keel. There is no count on the number.

There are only 13 blimps in the world. 9 of the 13 blimps are in the US. 3 of the blimps are Good-Year Blimps. 1 looks like Shamu!

There are only thirteen blimps in the world, nine of which are in the United States, and three of which belong to Goodyear.

There are 13 blimps in the world, 9 are in the US, and 9 of the blimps are Good-Year's. One of the blimps is shaped like Shamoo!