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 illustrates changes in the costs of

copper

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,

nickel

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and

zinc

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in comparison to the previous

month

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in 2014.

Overall

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,

it is clear that

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the prices of metals tended to rise during the winter

months

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whereas

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they showed the opposite in the summer. It is

also

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worth noting that

nickel

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has the most dynamic pattern compared to the remaining metals. In January,

nickel

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had the biggest change in price with a 6% increase

while

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the figures for

copper

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and

zinc

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were 2% and 1% respectively. The cost of

nickel

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then

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continue to ascend by around 1% per

month

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until declined by 3% in June.

Likewise

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,

copper

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experienced a relatively similar trend, growing by between 0.5% and 2% in the first 4

months

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and

then

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falling by 0.5% in both May and June.

In contrast

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, the statistics of

zinc

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peaked at 3% in February, followed by a plunge to -3% in June. In the remaining period, the

nickel

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’s price witnessed a -1% change in 3 successive

months

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but later climbed by 1% in the 2 final

months

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.

However

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, the figure for

copper

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remained much more stable, ranging from 0.5% to 1%. At the same time, the cost of

zinc

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decreased by 0.5% each

month

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between July and September, after which it underwent a 2% growth in the

last

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month

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.