Here is what the NFL.com stats show, Bears 27th. W/NFL you can click on whichever you want to rank; I just used the one it was on; I'm sure like most stats if you click on each one it will give you a range.
http://www.nfl.com/stats/categorysta...true&Submit=Go

Rush Total Rush Left Rush Center Rush Right
Rk Team Exp Att Yds Avg TDs 1st Neg +10Y Pwr 1st Neg +10Y Pwr 1st Neg +10Y Pwr Sacks QB Hits
20 New York Jets 369 443 1,692 3.8 14 22 15 13 100 31 5 7 60 39 12 14 55 40 70
21 Washington Redskins 209 400 1,614 4 8 45 17 20 64 10 6 4 67 24 11 16 50 41 108
22 Green Bay Packers 204 395 1,558 3.9 12 25 12 8 75 21 5 9 60 41 18 23 56 41 73
23 Pittsburgh Steelers 202 434 1,903 4.4 13 21 10 14 83 26 10 10 60 49 19 25 43 42 77
24 Denver Broncos 215 546 2,632 4.8 11 36 12 22 67 44 19 24 54 49 12 34 56 42 68
25 Jacksonville Jaguars 310 489 1,970 4 9 32 18 20 57 45 10 21 81 25 16 10 46 44 76
26 San Francisco 49ers 275 498 2,044 4.1 14 44 25 26 57 22 11 10 44 35 22 20 55 44 82
27 Chicago Bears 299 456 2,015 4.4 10 47 18 26 54 9 3 5 100 40 35 27 63 49 87
28 Minnesota Vikings 389 448 2,318 5.2 18 47 22 27 75 31 18 21 60 40 13 27 83 49 76
29 Seattle Seahawks 174 444 1,756 4 15 37 17 22 67 20 3 5 90 31 25 16 71 50 114
30 Miami Dolphins 358 469 1,987 4.2 11 35 12 23 64 24 12 16 38 30 15 19 45 52 95
31 Arizona Cardinals 346 389 1,625 4.2 12 38 13 15 62 17 8 5 57 28 10 11 80 54 86
32 St. Louis Rams 266 409 1,667 4.1 7 34 15 16 50 18 11 11 50 27 20 20 43 55 114