Yes, that's good data. Unfortunately, we're going under 10m births in nearby future. A lot of work is to be done.I ended up finding the numerical sources of the data. strait from the NBS
15.23 million births in 2018.
14.65 million births in 2019.
12 million births in 2020, can be deduced from 2 NBS series, one on China's total population at 1.4b and the other one on the crude birth rate at 8.5 per thousand,
The 2021 dataset was scattered. The best formatted series was the Florida one which is fairly large and a mysterious report from SCMP about birth rates in Hunan