Vijaya Diagnostics

I have a question about these company that if the industry itself growing at 13-14 % CAGR .
And the Number of centre growing by 15.91% (Between 2019 to 2022 ) of these company
So if we calculate the test then number of test per centre is declined by 5.05%.

And they said that diagnostic chains gains market share of standlone laboratories.
( And they have very high quality infrastructure and customer relation)
How they grew at only at industry average despite expansion through new centres.

So can anybody tell me that their mature centre are growing at which rate ???