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 graph compares

metals

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' average monthly

change

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in prices over a 12-month period.

Overall

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,

Nickel

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and

Copper

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witnessed a downward trend in their average monthly

change

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, with the former decreasing more substantially.

In contrast

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,

Zinc

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's average monthly

change

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grew over the given period. In January,

Nickel

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's price was 6% higher in comparison to the previous month,

while

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the figure for

Copper

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and

Zinc

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was 2% and 1% respectively. By May, both

Nickel

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and

Copper

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's

change

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declined to around 1% and remained stable for a month. Meanwhile, with a more subtle decline,

Zinc

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overtook the other two

metals

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at over 1%. A

further

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decrease was experienced in all

metals

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' average

change

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between April and June, with

Nickel

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bottoming down at the lowest point, at -3%. From June to July, the average monthly

change

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grew and

then

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remained unchanged for two months, with

Copper

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at 1%,

Zinc

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just under 0%, and

Nickel

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at -1%. From October onward, an increase was experienced in

metals

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' average

change

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.

Therefore

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, by the end of the period,

Zinc

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overtook others at 2%, followed by

Copper

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at just under 2% and

Nickel

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at the lowest point, at 1%.