The chart below show the different forms in which fish were sold in 1950 and 1985

The pie table below presents the various forms of the sale the fish, throughout 30 period. The first data describes to you specific calculates in the percentages. It is global trade through the 30 years. In the starting year it is numbered about 21 millions tone. The diagram is divided in half (halved), half of it constituted by fresh fish. The second half is compiled by several pieces ( parts) of another types of fish. The second part consists from cured fish, which totaled 33%. The other portions is very little comparison with alternative variants of seafood. The next graph is coordinated to 1985 year which, accounted 76 millions tone of fish. Compared to the past picture in that one, each type of commercial a fish were shared for portions. The more trading one is animal meal, which amounted almost moiety circle construction, two the same parameters are fresh and frozen fish. They are similar with each other. There are remaining cured and canned fish, it nearly to each one. You can make conclusion about information which is given by author. You can awareness that every details of those were in the past time. They are dramatically changed. Some of products are populated in the course of all 30 period.