https://blog.wongcw.com/2021/11/03/canalys%ef%bc%9a-%e7%ac%ac%e4%b8%89%e5%ad%a3%e5%ba%a6%e5%85%a8%e7%90%83%e5%b9%b3%e6%9d%bf%e9%9b%bb%e8%85%a6%e5%87%ba%e8%b2%a8%e9%87%8f%e8%bc%83%e5%8e%bb%e5%b9%b4%e4%b8%8b%e9%99%8d15-%e9%83%a8%e5%88%86/