Here ya go from oldest to youngest - from
Hispanosnba.com: NBA news and stats
I spot checked several of the rosters against NBA.com and it's real accurate
1)New York Knicks 31.3
2)Miami Heat 29.9
3)Los Angeles Clippers 29.4
4)Los Angeles Lakers 28.9
5)Dallas Mavericks 28.6
6)Boston Celtics 28.5
7/8)Chicago Bulls 27.9
7/8)San Antonio Spurs 27.9
9)Brooklyn Nets 27.7
10)Atlanta Hawks 27.3
11)Milwaukee Bucks 26.8
12) Utah Jazz 26.7
13)Phoenix Suns 26.6
14)Minnesota Timberwolves 26.3
15)Philadelphia 76ers 26.1
16)Toronto Raptors 25.9
17)Indiana Pacers 25.7
18/19/20/21)Detroit Pistons 25.6
18/19/20/21)Charlotte Bobcats 25.6
18/19/20/21)Sacramento Kings 25.6
18/19/20/21)Orlando Magic 25.6
22)Memphis Grizzlies 25.4
23)Golden State Warriors 25.2
24)Washington Wizards 25.1
25)Portland Trail Blazers 24.9
26)Oklahoma City Thunder 24.8
27)Denver Nuggets 24.7
28)Cleveland Cavaliers 24.5
29)New Orleans Hornets 24.0
30)Houston Rockets 23.7