The science of gold production

The science of gold production

Volume of gold production in the world throughout the history of mankind is estimated at 65 trillion dollars and the volume of gold reserves in the ground has not yet been extracted an estimated 100 tons of gold
That the size and value of gold in the world's central banks is 27 thousand tons of gold and America at the forefront of the world in this regard about 8 thousand tons.
And as chief executive of the World Gold Council in the Middle East, the size of world consumption of gold last year at about $ 54 billion, indicating that the gold reserves according to documented reports and official statements of 75 tons of gold is estimated at $ 3 billion