Here's the data -- The way to read it is to look mostly at seasons 5+:
*48 K/P in the 90+ range in season 5
*36 K/P in the 90+ range in season 6
*28 K/P in the 90+ range in season 7
*40 K/P in the 90+ range in season 8
*44 K/P in the 90+ range in season 9
*41 K/P in the 90+ range in season 10
*35 K/P in the 90+ range in season 11
*35 K/P in the 90+ range in season 12
*6 99-rated QB's from a pool of 10 in season 5.
*5 99-rated QB's from a pool of 16 in season 6.
*11 99-rated QB's from a pool of 15 in season 7.
*9 99-rated QB's from a pool of 15 in season 8.
*7 99-rated QB's from a pool of 15 in season 9.
*11 99-rated QB's from a pool of 18 in season 10.
*3 99-rated QB's from a pool of 10 in season 11.
*13 99-rated QB's from a pool of 18 in season 12.
*HC with prestige A+ decreased 1 to 54 for season 9.
*HC with prestige A+ decreased again to 45 in season 10.
*HC with prestige A+ increased back to 58 in season 11.
*HC with prestige A+ decreased to 56 in season 12.
Start of Season 5: 6 A+ teams, 4 D teams
Start of Season 6: 12 A+ teams, 2 D+ teams.
Start of Season 7: 8 A+ teams, 2 D+ teams -- 15-30 C-rated teams at least.
Start of Season 8: 7 A+ teams, 2 D+ teams -- 15-30 B-rated teams at minimum.
Start of Season 9: 14 A+ teams, 1 D+ team -- 20-40 A, A-, B+ teams.
Start of Season 10: 12 A+ teams. 1 D+ team
Start of Season 11: 10 A+ teams, 0 D+ teams -- 20-40 B-, B, B+ teams
Start of Season 12:
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