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

The line graph illustrates the median monthly

change

in the costs of three metals during 2014. In January, the

change

in the price of nickel was the highest compared to two other countries which was about 6%. It experienced a massive decrease until the sixth month and touched the lowest at -3%.

Afterward

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Afterwards

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, the value of nickel boosted slightly to around -1% in July

then

it did not

change

until September. In the following month, it experienced a small decline and climbed up sharply until November, which was approximately 1% and had the same percentage until the end of the period.

Initially

, the transformation in the fee of

zinc

was the lowest among

three

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the three

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countries which was about 1%,

then

it rose by 2% in February. From February to June, the price of

zinc

dropped rapidly to around -1%.

Afterward

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Afterwards

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, it increased by 0.5% and the number of transformations in the cost of

zinc

did not transform until September. In October, it reduced by -1% and surged to approximately 1% and did not

change

until December. The

change

in the price of copper dipped dramatically from January to Mei which is under 0% until June.

Then

, it experienced a slight increase to approximately 1% and had

the

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a

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stable chart until September. In October, the transformation in the value of

zinc

was under 1% and remained until November. In the following month, the cost of copper boosted up to 1.5%.