In addition to other reports that may be required as a condition of funding, RCSCs shall report to the state E9-1-1 office, on a per county basis, the total number of customers, including customers that are using resold services from that company, based on the customer's place of primary use. These numbers shall reflect the total number of customers at the end of each calendar year and shall be furnished to the respective county enhanced 9-1-1 coordinator by March 1 of the following year. RCSCs shall conduct traffic studies on 9-1-1 call volumes between their MSC and each selective router in the state as requested by the state E9-1-1 coordinator. Up to four studies may be requested by the state E9-1-1 coordinator during any calendar year.