More than 200,000 units were made around the world between 1959 and 1976, the year production of the 914 was stopped.
It was offered until 1937 and 200 units were made.
About 37,000 units had been made by then, and the company estimates that 24,000 people still use one.
As a result, the units were made larger and more expensive.
It is estimated that only about 350 units were made.
Production ceased in 2002, after 1005 units had been made.
These units were later made identical to standard ones again.
It was never put into wide production and a little less than ten actual units were made.
As of now, two units have been made and are expected to enter full-time service soon.
Approximately 3000 units were made, though exact numbers are not available.