What percentage of the total sunlight striking the very top of Earth's atmosphere in  2021 would need to be captured to meet humanity's primary energy demand for that year? For
energy consumption statistics, see the BP Statistical Review of World Energy, 2021:
https://www.bp.com/content/dam/bp/business-sites/en/global/corporate/pdfs/energy-economics/statistical-review/bp-stats-review-2022-full-report.pdf