https://goldsilver.com/blog/the-cheapest-asset-in-the-world/

 

Long term demand comparison article.

https://www.financialsense.com/contributors/ryan-jordan/silver-industrial-demand-best-yet-to-come

“…400 million ounce level in 1970.  During the last four years, industrial demand (including photography) has been around 550-700 million ounces annually”.