numbers from 2005 on how many winged warriors were known to have survived until 2005

There are 364 Charger Daytonas surviving of the 503 built, but there are still approximately 1,174 Superbirds surviving today of the 1,935 built. Mercury’s records show that just 285 Cale Yarborough and 218 Dan Gurney Spoiler IIs were ever built. Of that number, only 134 are known to exist.

https://www.hemmings.com/blog/article/1969-mercury-cyclone/