Bluebulb Projects' The Measure of Things presents:
25,000 is about 80 times the number of Manned Flights to Space.
In other words, it's 80.10 times the count of a Manned Flights to Space, and the count of a Manned Flights to Space is 0.0125 times that amount.
(2016 figures) (flights with at least 80km altitude; US, Russia, the Soviet Union, and China)
