Books or staff?

An analysis of 54 suburban libraries shows more of them increased spending on staff than on new books and other materials from 2014 to 2015. Not included: Geneva Library, whose increased collection spending of 46.9% and reduced personnel spending of 10.6% put them outside the chart parameters.
The chart below is interactive. Touch or mouse over the chart to see the percent change from 2014 to 2015 for each library's personnel and material costs.

Source: Library district and municipal audits.
Note: Financial data comparing 2013 and 2014 spending was used for libraries with asterisks next to the name.