For example, the growth % from STEPS to SDS for nickel increases 89% from 2030 to 2040, from 210% to 299%. Meaning, If SDS is adopted instead of STEPS, nickel demand will grow by 210% by 2030 from 2020 levels (100%). By 2040, nickel would increase by 299%, an 89% change from 2030.
A feature of this chart is that individual bars may be clicked to reveal specific tonnage data for each mineral. An overview layer of this chart can be downloaded here.