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The image displays a line graph titled "Average monthly change in prices of copper, nickel and zinc (2014)" with a y-axis representing "% change in price compared with previous month" and an x-axis for months. For Copper, the monthly percentage changes were: January 2%, February 1%, March 0.5%, April 0.5%, May -0.5%, June 1%, July 1%, August 1%, September -1%, October 0.5%, November 0%, and December 1%. For Nickel, the values were: January 6%, February 4%, March 1%, April 1%, May -1%, June -3%, July -1%, August -1%, September -1%, October -2%, November 1%, and December 1.5%. For Zinc, the data points were: January 1%, February 3%, March 2%, April 1.5%, May 1%, June -0.5%, July -0.5%, August -0.5%, September -0.5%, October 0%, November 2%, and December 1.5%.
Given the complexity of the image, the above description may not be entirely accurate.
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The line graph illustrates the average monthly changes in the prices of three different metals throughout 2014, measured in percentage.
Overall , three metals fluctuated over the year, Nickel experienced the most significant changes, while copper and zinc showed relatively similar changes. All three metals ended the year with similar results.
Looking at the details, Nickel stood at 6% before declining to 1% in March, then in significantly decreased from 1% to -3% in June, after which it gradually rose to 1% in December. Meanwhile the copper stood at 2% initially before declining to 0.5% in April, then after some fluctuations over the year, ended with 1.5%.
Turning to zinc, the price increased from 1% to 3% in February, then it gradually dropped to -1% in June and then increased to 2% in December. Compared with other metals, zinc ended the year with a higher figure than its first level.
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