31 weeks later, I've got enough data to make a new post worthwhile. Training court level 3.
Time between pops by player:
Ian Banks (28yo): 8 weeks, 9 weeks
Bernie Birmingham (23yo): 7 weeks, 8 weeks
^ (24yo): 7 weeks
Guo Xinlei (20yo) 7 weeks, 7 weeks
^ (21yo) 7 weeks, 7 weeks
Josh Laga'aia (19yo) 6 weeks, 7 weeks
^ (20yo), 7 weeks
Gregory Cannell (29yo) 9 weeks
Jarrod Nayyar (26yo) 8 weeks
^ (27yo): 8 weeks, 8 weeks
Carlton Old (29yo) 8 weeks
^ (30yo): 9 weeks
Ceylan Tokurcun (30yo): 9 weeks, 9 weeks
Hutch Close (33yo): 10 weeks
John Reith (40yo): 19 weeks
Kaspar Jarv (28yo): 9 weeks
Martin Butler (30yo): 9 weeks
Fairly consistent drop off in gains up to the mid 30's where things start to get more RNG based (I have a 41yo that's been waiting 28 weeks for a pop without getting one).