Huawei has released its performance for 2019 to the Chinese media. It claims it shipped approximately 240 million units in total that year, 6.9 million of which had 5G. For context, Samsung has announced that it shipped about 6.7 million of the same kind of phone in the same time-frame.
https://www.notebookcheck.net/Huawei-insists-it-did-better-in-the-5G-phone-market-than-Samsung-in-2019.450631.0.html