Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Mining Area of the Great Copper Mountain in Falun' has mentioned 'Tonnes' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| The point of maximum production occurred in 1650, with over 3,000 tonnes of copper produced. | WIKI |
| Peak production barely reached 3,000 tonnes of copper per year, falling to less than 2,000 tonnes by 1665; from 1710xe2x80x931720 it was barely 1,000 tonnes per year. | WIKI |
| Present worldwide copper production is 18.3 million tons per year; Chuquicamata, a modern copper mine in Chile, has maintained an annual output exceeding 500,000 tonnes for decades. | WIKI |
| A total of 5 tonnes of gold would eventually be produced. | WIKI |