Wisconsin the Unquestioned Leader in Interlibrary Loans Provided and Received per 1000 Population

Source:  Institute of Museum and Library Services "Public Libraries in the United States Survey, Fiscal Year 2011"

Other public library statistics posts:
Wisconsin and Ohio share the public library interlibrary loan spotlight.  (4/10/2014)
Public library visits and circulation per capita by population of legal service area (2011) .  (4/8/2014)
Decline in Number of Bookmobiles Continues to Accelerate in 2011.  (4/7/2014) 
Library circulation per capita: Top 10 and bottom 10+ states.  (4/5/2014)
Library visits per capita: Top 10 and bottom 10 states.  (4/5/2014)
The biggest and the smallest U.S. public libraries: Hours of operation (2011).  (4/3/2014)
Hours of operation.  (4/3/2014)
Public Libraries: Larger and Smaller Units of Governance, Iowa and South Carolina.  (4/1/2014) 
Number of public libraries in the ten most populous states. (4/1/2014)
Percentage distribution of public libraries by legal service area population.  (3/30/2014)
Public libraries by type of legal basis.  (3/30/2014)
Public library revenue.  (3/24/2014)
Number of libraries, 2011 (administrative units).  (3/19/2014)
Library staffing, 2001-2011.  (3/19/2014)