https://blog.wongcw.com/2020/09/11/canalys%e9%a0%90%e8%a8%88%e4%bb%8a%e5%b9%b4%e5%85%a8%e7%90%835g%e6%99%ba%e8%83%bd%e6%89%8b%e6%a9%9f%e5%87%ba%e8%b2%a8%e9%87%8f%e5%b0%87%e5%9c%a8%e9%81%94%e5%88%b02-78%e5%84%84%e9%83%a8/