Information gathered from the Fleet site.
RANKING by TONNAGE
after 15 War Patrols
                       
Squadron # Patrols  # Merchants
Sunk
 Sunk by                  Deck Gun  Raw Tonnage
JANAC
# Patrols  # Warships    Sunk  Sunk by                 Deck Gun  Raw  Tonnage
JANAC
# Patrols TOTAL  
Squadron 3A 99 679 2 5,565,774 
1,853,403
(19.5%)
118 0 1,793,167
597,125
(6.3%)
0 7,358,941
2,450,527
(25.8%)
 
Squadron 4A 84 553 9 4,722,620
1,572,632
(16.6%)
  83 0 1,302,226
433,641
(4.6%)
0 6,024,846
2,006,274
(21.2%)
 
Squadron 7A 82 336 0 2,658,399
885,247
(9.3%)
66 0 1,045,876
348,277
(3.7%)
0 3,704,275
1,233,523
(12%)
 
Squadron 5A 82 441 2 3,162,917
1,053,251
(11.1%)
  34 0 522,715
174,064
(1.8%)
22 Torpedo's 3,685,632
1,227,315
(12.9%)
 
Squadron 6A 65 362   2,499,491
832,330
(8.8%)
  31   377,261
125,628
(1.3%)
  2,876,752
957,958
(10.1%)
 
Squadron 1M 61 228 1 1,775,100
(6.2%)
24 Torpedo's     138 Deck Gun 36 0 179,513
(.7%)
0 1,954,613(6.9%)  
Squadron 8A 40 175   1,492,049
496,852
(5.2%)
  28   309,971
103,220
(1.1%)
  1,802,020
600,072
(6.3%)
 
Squadron 2M 46 113   834,435
(2.9%)
  15   228,269
(.8%)
  1,062,704
(3.7%)
 
Totals 559 2,887 16 22,710,785
7,562,691
(79.6%)
230 Torpedo's      639 Deck Gun 381 0 5,758,998
1,917,746
(20.4)%
26 Torpedo's 28,469,783
9,480,438
(100%)