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

The line chart illustrates how the average prices of three metals, namely nickel, copper and zinc, changed in 2014. Obviously, the monthly

change

in nickel was the largest, ranging from 6% to -3%. It was the price

change

of nickel in January that stood out as it was much larger than that of the other metals, at 6%,

while

it experienced a dramatic decrease to the bottom of -3% in June. After that, the price saw some rises, reaching 1% in December.

By contrast

, the monthly

change

in the price of copper was the smallest, with approximately 3%. The apparent growth appeared in January, at 2%, but the most fall took place in March.

However

, the monthly

change

in the prices of zinc at the beginning of the year was the lowest(1%), before it soared significantly to the peak of 3% in February. In the following months, there was a considerable decrease until the middle of the year. At

last

, it grew to only below the starting point.

Overall

,

it is clear that

the monthly prices of the three kinds of metal fluctuated evidently in 2004.