World Gold Council: Central Banks Bought More Gold in 2018 Than Any Year Since 1967

Jason talks about central banks increasing their physical gold purchases by 74% year over year in 2018 and what that means? 

Central banks bought more gold in 2018 than any year since 1967:

https://finance.yahoo.com/news/central-banks-bought-more-gold-2018-since-1967-051450294--sector.html

- Source, Wall St for Main St