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The image presents a line graph depicting the average monthly change in prices of copper, nickel, and zinc for the year 2014, measured as percentage change in price compared to previous month. Copper starts at approximately -3.5% in January, peaks at approximately 5% in July, and ends at approximately 0% in December. Nickel starts at approximately -2% in January, peaks at approximately 6.5% in May, and ends at approximately -1.5% in December. Zinc starts at approximately -1.5% in January, peaks at approximately 3.5% in July, and ends at approximately -2% in December. Copper shows a consistent increase from January to July, followed by fluctuations and a decrease towards the end of the year. Nickel shows a sharp increase from April to May, followed by fluctuations with a general downward trend. Zinc shows moderate increases and decreases throughout the year with no clear overall trend. Each data point is marked by a symbol representing the respective metal, with a key provided at the bottom of the graph.
Given the complexity of the image, the above description may not be entirely accurate.
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The line graph illustrates the median monthly variation in the fees of copper, nickel and zinc during 2014.
Overall, nickel prices experienced the most dramatic fluctuation, whereas copper had a relatively stable line. Although all of them ended the year with similar prices, zinc was the only metal that had seen an increase at the end of the year.
In terms of the first 6 months of the year, nickel prices had started with a 6% raise and had a steep fall to 1% before reaching the lowest point among all of them with -3%. Zinc started with 1% and had a gradual decrease to -1% until February while copper started with 2% and ended below 0.
From June, all three metals had rose slightly and remained unchanged in the subsequent three months. Until November, both nickel and zinc had seen an upward trend with the former being the most with 3% while copper remaining the same. At the end of the year, zinc prices had increased 2%, nickel prices had not changed at 1% and copper increased slightly around 1,5%.
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