The graph demonstrate the switching amounts of three different minerals by the each month during 2014.
Overall, it can be clearly seen that, all minerals were drastic changed in their price throughout the months ,but nickel was the most drastic metals to alter the amount than others.
In term of nickel, it was higher in the beginning month with 6% price rate and that amount rate drastically switched by June month with minus 3% . June to September the price of nickel was stable at a minus 1% and that price rate increased by 1% in November and remains constant until December.
Following metals cooper, it was at 2% amount ratio in January and that price rate peaked at 1.5% by the last month with lots of fluctuations during between the months. Last but not least, zinc in the commence month it had 1% price rate and it’s raised and changed by July with 3% , however the price of zinc drastically changed throughout the month and reached 2% in the month of December.
