The graph below shows the average monthly change in the prices of three metals during 2014.

The line graph illustrates the average variation in the costs of 3 separate metals every month in the year 2014.

It is clear that

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there was an upward tendency in the price of

zinc

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,

while

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the opposite was true for

nickel

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and

copper

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.

Besides

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,these 3 sorts of metals experienced fluctuation and

nickel

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witnessed the most noticeable drop of all. As can be seen, in January,

nickel

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was recorded to be at the top of the list with a 6 % change in its price from the previous month, compared to 1% in

Zinc

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and 2% in

Copper

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. Over the next 2 months,

whereas

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the figures for

Nickel

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and

Copper

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dropped to approximately 1% and 0.5 % respectively,

Zinc

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increased its cost to double.

Nickel

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kept falling until it reached a low of -3% in the middle of the year after.

Likewise

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, the price of

Zinc

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together with

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Copper

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also

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decreased considerably to -1% and -0.5% severally.

However

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, over the

last

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6 months, the values of all types of metals rose again.

Nickel

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climbed to -1% and remained the same until September before getting to 1% in December .

Similarly

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, the percentage of

Zinc

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and

Copper

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soared to 2% and 1.5% separately

at the end

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of the year after stabilizing from July to September.