There are other assets an investor could have bought apart from shares, some of which performed far better and greatly enhanced the amount of money made over this period.

BBC: The lost decade: have investors made money?

During this time period, the amount of gold in the world increased by about 3.4 times, due to mining production.

FORBES: The Gold Standard, and the Myth About Money Growth

This sets out the amount of carbon units that may be credited to the Scottish emissions account in the period between 2013 and 2017.

BBC: Climate Change Committee