From the Naval Institute published in 1947
Japanese Merchant Marine ship losses (over 500 GRT)
From December 1941-August 1945
left to right
losses due to, number of ships, GRT (Totals), disabled... Grand Total(#/GRT)
Army Air - 260 - 774,680 - 40/134,892...300/909,572
Navy land based Air - 130.5 - 363,518 - 14/19,650...144.5/383,168
Carrier Air - 359.5 - 1,329,184 - 34/123,951...393.5/1,453,135
Submarines - 1,150.5 - 4,859,634 - 2/1,683...1,152.5/4,861,317

Mines - 210 - 397,412 - 147/420.725...356/818,137
Surface Gunfire - 16.5 - 77,145 - 2/8,811...18.5/85,956