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 line graph illustrates changes in the costs of

copper

,

nickel

and

zinc

in comparison to the previous

month

in 2014.

Overall

,

it is clear that

the prices of metals tended to rise during the winter

months

whereas

they showed the opposite in the summer. It is

also

worth noting that

nickel

has the most dynamic pattern compared to the remaining metals. In January,

nickel

had the biggest change in price with a 6% increase

while

the figures for

copper

and

zinc

were 2% and 1% respectively. The cost of

nickel

then

continue to ascend by around 1% per

month

until declined by 3% in June.

Likewise

,

copper

experienced a relatively similar trend, growing by between 0.5% and 2% in the first 4

months

and

then

falling by 0.5% in both May and June.

In contrast

, the statistics of

zinc

peaked at 3% in February, followed by a plunge to -3% in June. In the remaining period, the

nickel

’s price witnessed a -1% change in 3 successive

months

but later climbed by 1% in the 2 final

months

.

However

, the figure for

copper

remained much more stable, ranging from 0.5% to 1%. At the same time, the cost of

zinc

decreased by 0.5% each

month

between July and September, after which it underwent a 2% growth in the

last

month

.