$ 47.18$ 51.58$ 49.27$ 49.86$ 51.09$ 46.50$ 47.00$ 47.50$ 48.00$ 48.50$ 49.00$ 49.50$ 50.00$ 50.50$ 51.00$ 51.50$ 52.00$ 52.502014-152015-162016-172017-182018-19Expenditures per Capita ALAMEDA COUNTY LIBRARY