There seems to have been a significant amount of interest in Friday’s report examining the relative value and endurance of draft picks by round. With that in mind, we went back 10 years to look for more trends, this time sifting out by year.

• If there’s a formula or trend for figuring out what percentage of a draft class drops off every year, I can’t find it.
• I guess, in general, each draft class shrinks by about 10 percent annually, though that trend only really works for the first five years. After that, the proving seems to end and the veterans that have stayed through that long weeding-out process have more league stamina.
• For example, 93 percent of the 2014 draft is active on 53-man rosters or practice squads, which is pretty standard. About 85 percent of the ’13 class is still around, while 75.1 percent of ’12 remains; 61.4 percent of 2011; 54.1 percent of ’10, and 42.6 percent of ’09.
• After that, however, at that six-year mark, cuts curb sharply. For example, there’s only a 4.5 percent dropoff between 2009 (42.6 percent) and 2008 (38 percent). From there, we see a 10 percent drop again to ’07 (27.4), but there are actually more 2006 players still active (71 vs. 70, or 27.8 percent of ’06) from the ’06 class than from the ’07 class.
• On Friday, we rolled out the teams that have the most picks still in the league. We feel it’s a good, objective way to measure which teams are able to locate the best talent that translates across team schemes, philosophies, etc. It’s just a way to find out who can locate good football players. The 49ers came out on top, so we went back five years (to the 2010 draft) to see which teams had the most players still active since then compared to the number of players they picked.
• Once again, the Niners came out on top with 42 of their 48 picks since ’10 still active in the league, or 87.5 percent. That’s outstanding. Also picking exceptionally well since 2010 were the Broncos, Texans and Jets, all of them at 81 percent or better.
• This probably explains why the Texans, despite cratering completely last year, have bounced right back to respectability this year, while the Niners and Broncos remain two of the league’s top franchises year in and year out. As for the Jets, it may be an indication that the team has performed at least marginally well the last 3-4 years despite, not because of, Rex Ryan.
• The bottom of the barrel? It’s a good thing the Colts got Andrew Luck right and have had success finding bargains in undrafted free agency and other leagues. At 60 percent (21 of 35), they’re all alone on the bottom. Joining them in the bottom five are the Panthers (61.1), Redskins (61.9), Bills (64.3) and Eagles (64.6).