I think the price depends alot on just supply and demand. Some cards been sitting on ebay for a while, so I don’t think prices will rise unless all those copies are bought out.
As for print numbers:
Total FPO cards pulled: 227
(107 pokegym + 110 YouTube+ 10 daa906)
Charizard = 60
Alakazam = 52
Blastoise = 32
Ampharos = 30
Arbok = 29
Dugtrio = 10
Clefable = 7
Manhole = 7
Final count : 237
(227 pulled + 10 still in sealed booster packs)
Source: www.elitefourum.com/t/fpo-for-position-only-cards-official-guide/14586/1