Figures from this source
- FiledSellin units lifetime, year to March 2022, pair combined14,650,000 units
- FiledSellin units lifetime, year to March 2022 (released 28 January 2022)12,640,000 units
- FiledSellin units lifetime, life-to-date as of year to March 2022 end24,270,000 units
- FiledSellin units lifetime, life-to-date as of year to March 2022 end14,530,000 units