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 provided line graph depicts the data about the mean change in the costs of metals

such

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as copper,

nickel

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, and

zinc

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each month in 2014.

Overall

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, it can be clearly seen from the chart that at the beginning of the

period

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the most expensive metal was

nickel

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, which was followed by a substantial decrease by December.

In addition

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, the least popular metal in January, overpriced

at the end

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of the

period

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, was

zinc

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.

Nickel

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experienced fluctuations over the

period

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with a slow drop in price. With regards to

nickel

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, the starting figure peaked at the top of 6%, before falling rapidly in March. The number reached a plateau of -1%, which lasted from July to September, after a small dip in June. By the end of the

period

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,

nickel

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remained stable at 1%. Turning to

zinc

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, the price witnessed oscillations throughout the year, but February saw a peak at 3%, before going down during the following 3 months.

In addition

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,

zinc

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hit a trough of -1% in June and October, which remained constant from July to September. The

period

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from November to December demonstrated a marginal improvement of 2%. Copper began at 2% at the start, falling steadily to roughly 0.5% by April. In the following 2 months, the changes in price stood at the same level, -0.5%, which was followed by a steady increase.

At the end

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of the

period

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, copper reached approximately 1.5%.