Which nfc north has the most wins in superbowl era?

30.3

29.8

29.3

29.2

28.9

28.9

16.0

17.4

17.5

18.1

18.5

19.0

394.9

383.7

378.7

373.2

369.7

368.5

157.8

152.6

142.9

136.5

135.8

130.9

287.4

263.4

263.0

261.4

258.0

256.7

55.0

48.0

44.0

41.0

37.0

36.0

10-3

9-4

9-4

8-4-1

8-5

8-5

4-9

4-9

5-9

5-8

5-8

5-8