How many years will it take for Taxus chinensis to grow into a bowl-sized tree?

It takes about 7 years for Taxus mairei to grow into a big bowl in Fujian and Sichuan, 8 years in Hunan and Jiangxi, and 10 years in Jiangsu and Henan. Taxus chinensis planted in 1996 basically reached the DBH of 20 cm by 20 14. In Tonggu County, Jiangxi Province, the hometown of Taxus chinensis, as a geomantic tree planted next to many farmers' homes, the DBH of Taxus chinensis in the future 100 will exceed 50 cm. Among them, a yew in Qiping Town Street, with a diameter of 1.5 meters, needs five adults to hold it, and the tree is thousands of years old.