At the close of each year, the board of trustees of the library shall make a report to the city council showing the condition of their trust during the year and sums of money received by the library from taxes and other sources; the sum of money expended and the purpose of the expenditures, the number of books and periodicals on hand, the number added during the year, the number retired, the number loaned out and such other statistics and information and such suggestions as they may deem of public interest, and a copy of this report shall be filed with the State Librarian. (Ord. 1558, §6, 1998).