Found this on Disco Wiki not sure is it correct but i think it might help
Jump Gate / Trade Lane Parts 1:5 (1000 units on 5000 cargo transport)
Military Vehicles 1:5
VIPs 1:5
Gaian Wildlife 1:4
Nuclear Devices 1:2
Oil 1:2
Passengers 1:2
Prisoners 1:2
Refugees 1:2
Scientists 1:2
Ship Hull Panels 1:2
Tourists 1:2
Vacationers 1:2
Edit: I am really , really not sure about this stats .... they show human organs are perishable and i traded with them long and i know they arent now ... so i am not sure about these stats too. Someone check it.