The line graph illustrates the average monthly change in price of 3 metals in 2014

Contained in the line graph is data pertaining to the alteration in

monthly

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the monthly

a monthly

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price of 3 different types of metal throughout the year 2014

Overall

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, the conversion in the cost of

nickel

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and

copper

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witnessed a downward trajectory over the surveyed period,

while

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the opposite was true for that of zinc. Notably, the most significant volatility can be seen in the figure for

nickel

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. Looking at the first half of the year, it is apparent that the change

in

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price

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the price

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of

nickel

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fell significantly from exactly 6% to 1% during the first three months before hitting a trough at precisely -3% in June,

while

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there was a gradual decline of

approxiamtely

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approximately

1,5% in that of

copper

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.

Whereas

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, the figure for zinc started at exactly 1% in January. It

then

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increased rapidly to exactly 3% in February prior to plummeting to -3% in June. Turning to the second half of the year, despite some fluctuations, both figures for

nickel

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and zinc experienced a swift rise to exactly 2% and 1% between June and December,

repectively

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respectively

. Meanwhile, the conversion in price of

copper

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grew moderately to precisely 1% in July.

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this

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,

copper

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remained unchanged at 1% in the next 3 months before decreasing to approximately 0,5% in December.

Subsequently

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, the figure rebounded to roughly 1,5%

at the end

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of the period.