The graph below shows the average monthly chnage in the prices of three metal during 2014.

The line chart illustrates the average price variations of three different metals in 2014.

Overall

, it is evident that prices of nickel and copper went down throughout the year,

whereas

the figure for zinc slightly increased during 2014. As the graph shows, the value of nickel fell from 6% in January to 1% in March before being levelled off at 1% in April. Afterwards, it fluctuated till November and remained constant at 1% in December.

However

, the price of copper stood at 2% in January and

then

slightly fluctuated until June, accounting for 1%.

Moreover

, it

then

levelled

of

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off

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at 1% and

then

slightly climbed up at about 1.5% in December.

On the other hand

, the figure for zinc started at 1% in January and sharply went up

at

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to

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3% in February,

then

it gradually decreased until May, making up 1%.

Finally

, with some fluctuations it again climbed up in December, with 2%.