Every year the Chief Justice of the United States Supreme Court (SCOTUS) issues a year end report with stats on the federal courts.
Did you know that the federal courts employ 30,000 people?
Did you know that half of federal civil appeals were filed pro se?
One way to know something about how well the economy is doing is to look at how many bankruptcy filings there were.
Its all in here. Most of the stats are at the end. 2017-Year-End-Report SCOTUS Chief Justice.