The given chart demonstrates the global sales of different kinds of fish sold in 1950 and 1985. Overall, the sales were higher in 1985 with 76,000,000 tonnes, and more kinds of fish were opted for being sold 5 years later. The year 1950 made the sale of 21,000,000 tonnes with the most figure being fresh fish accounting for 50%.
Half of the pie in 1950 was allotted to fresh fish, which meant that this fish was the most preferred one to be sold in this year. However, the sales lowered to 20% in 1985, more than half of which in 1950. The sale of cured fish was three times as much as the animal meal one with 33% and 10% respectively in 1950. The proportion in 1985 was contrasted to 1950 when cured fish being sold (13%) was only one-third to animal meal (32%).
Turning to frozen fish, which was the second least fish sale in 1950 with 6% but gained its second popularity with 22%. Canned fish from zero by none percent (1%) up 13%, being the same figure with animal meal in 1985.