The company recorded a drop below the 10% mark in the desktop and laptop devices market for the Mozilla Firefox browser.
Firefox had a market share of 12.63% in June 2017 according to Netmarketshare
and even managed to rise above the 13% mark in 2017 before its share fell to 9.92% in May 2018.
以下ソース
Firefox dropped below the 10% share value on Netmarketshare
https://www.ghacks.net/2018/06/04/firefox-dropped-below-the-10-share-value-on-netmarketshare/