The graph below shows the average monthly change in the prices of three metals during 2014. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The line chart compares the price difference of three metals every month in 2014.

It is clear that

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there were three categories, including copper,

nickel

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, and zinc. Meanwhile, both figures fluctuated during the year. First of all, looking at the graph in more detail, in January,

nickel

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reached its peak at 6%, which was the highest percentage in that month.

However

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, after 5 months, there was a downward trend. Its value dropped significantly, with -1%, the lowest point over the year. In November and December, the proportion maintained at 1%.

Furthermore

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, the figure for zinc had a slight growth in February (3%), and it overtook

nickel

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to be the highest rate in March (2%).

Nevertheless

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, it had the same pattern with

nickel

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, declining to -1% in June.

Finally

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, the percentage in price of copper continued to decrease until June, reaching -1%,

while

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it contained the most increasing rate in the next 3 months.