https://blog.wongcw.com/2022/02/14/canalys%ef%bc%9a2021%e5%b9%b4%e5%85%a8%e7%90%83%e9%9b%bb%e5%8b%95%e6%b1%bd%e8%bb%8a%e9%8a%b7%e9%87%8f%e5%a2%9e%e9%95%b7109%ef%bc%8c%e4%b8%ad%e5%9c%8b%e5%a4%a7%e9%99%b8%e4%bd%94%e4%b8%80%e5%8d%8a/