You don’t need to imagine. $9b per year (USD). https://www.ft.com/content/aa4465aa-2349-11e8-ae48-60d3531b7d11 https://www.ft.com/content/aa4465aa-2349-11e8-ae

You don’t need to imagine. $9b per year (USD). https://www.ft.com/content/aa4465aa-2349-11e8-ae48-60d3531b7d11 https://www.ft.com/content/aa4465aa-2349-11e8-ae48-60d3531b7... This chart helps too: https://www.ft.com/__origami/service/image/v2/images/raw/http%3A%2F%2Fcom.ft.imagepublish.upp-prod-us.s3.amazonaws.com%2Faf3b497c-25f4-11e8-b27e-cc62a39d57a0?source=next&fit=scale-down&quality=highest&width=490 https://www.ft.com/__origami/service/image/v2/images/raw/htt...