Figures from this source FiledSellin units lifetime, Apr-Dec 2019 (launch quarter, released 15 November 2019), pair combined16,060,000 unitsFiledSellin units lifetime, life-to-date as of Dec 2019 (year to March 2020 Apr-Dec: 1.13m)11,760,000 unitsReportedDefinition note, year to March 2019-Dec 2025 tables