This series is constructed as a sum of Total Loan and Lease Finance Receivables, Nonaccrual call item RCFD1403 and Total Loan and Lease Finance Receivables, Past Due 90 Days or More and Still Accruing call item RCFD1407 to the Total Loans and Leases, Net of Unearned Income call item RCFD2122.
Geographic location is determined by Abbreviated State Name call item RSSD9200 = "IL" representing two character state abbreviation of Illinois.
For more information and definition about the specific call item codes, please see http://www.federalreserve.gov/apps/mdrm/data-dictionary.
This series is calculated by the Federal Reserve Bank of St. Louis using raw data that are collected by the FFIEC. Raw data can be found at https://cdr.ffiec.gov/public/.
Federal Financial Institutions Examination Council (US), Nonperforming Loans (past due 90+ days plus nonaccrual) to Total Loans for Banks in Illinois [ILNPTL], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/ILNPTL, April 25, 2018.