For a case involving the federal Freedom of Information Act (FOIA) in the United States District Court for the Northern District of Illinois, how would the following authorities rank (from most important to least important)?

• A 2014 Illinois Supreme Court case that explains the federal FOIA statute.
• The 2015 federal FOIA statute.
• A 2013 decision from the United States Supreme Court interpreting the federal FOIA statute.
• A 2012 decision from the United States Court of Appeals for the Seventh Circuit interpreting the federal FOIA statute.
• A 2014 decision of the United Stated District Court for the Central District of Illinois regarding the federal FOIA statute.
• a.A 2005 decision from the United States Supreme Court interpreting the federal FOIA statute.