Here is a chart of the court's felony and class A misdemeanor filings since 2007:
More information may be found here: http://www.gud.uscourts.gov/sites/default/files/documents/statistics_for_12_months_ending_20160930.pdf
"Electronic filing has matured. Most districts have adopted local rules that require electronic filing, and allow reasonable exceptions as required by the former rule. The time has come to seize the advantages of electronic filing by making it mandatory in all districts, except for filings made by an individual not represented by an attorney. But exceptions continue to be available. Paper filing must be allowed for good cause. And a local rule may allow or require paper filing for other reasons."