HSN wise summary for table 12

Hello we are a Jaipur based service provider.
We are a regular tax payer and our turnover is less than 5 cr.
We have both type of B2B and B2C GST Invoices.

As our turn over is less then 5Cr, So we are mentioning HSN code 4 digits on only B2B Invoices.
We are not putting any HSN code on B2C Invoices (As this is optional).

Now our query is this that
What turn over (Amount) we have to fill in HSN Table 12 GST R1.
Only for B2B or both B2B and B2C Invoices.