Figure 2.
Annual global gold production, 1900–2014 (production data from U.S. Geological Survey and U.S. Bureau of Mines; population data from U.S. Central Intelligence Agency; updated from Price, 2013).
Annual global gold production, 1900–2014 (production data from U.S. Geological Survey and U.S. Bureau of Mines; population data from U.S. Central Intelligence Agency; updated from Price, 2013).