https://blog.wongcw.com/2021/10/21/canalys%ef%bc%9a%e5%8d%b0%e5%ba%a6%e5%b8%82%e5%a0%b4%e7%ac%ac%e4%b8%89%e5%ad%a3%e5%ba%a6%e6%89%8b%e6%a9%9f%e5%87%ba%e8%b2%a8%e9%87%8f%e4%b8%8b%e6%bb%915-%e5%b0%8f%e7%b1%b3%e4%bb%8d%e5%b1%85%e9%a6%96/