> As of the date of this prospectus, the aggregate lifetime revenue commitment reflected by these agreements amounted to more than $19.5 billion, including more than $10 billion during the period from 2022 through 2023 and approximately $2.5 billion in advanced payments and capacity reservation fees. These agreements include binding, multi-year, reciprocal annual (and, in some cases, quarterly) minimum purchase and supply commitments with wafer pricing and associated mechanics outlined for the contract term.<p>> A key measure of our position as a strategic partner to our customers is the mix of our wafer shipment volume attributable to single-sourced business, which represented approximately 61% of wafer shipment volume in 2020, up from 47% in 2018<p>> In 2020, we shipped approximately 2 million 300mm equivalent semiconductor wafers