1. $11 billion.

That’s how much the five-week government shutdown cost the U.S. economy, with nearly a quarter of that total permanently lost, according to the nonpartisan Congressional Budget Office.

The number was released as hundreds of thousands of federal employees returned to work. After returning to work, subway traffic picked up in Washington, above. Now, a 17-member bipartisan panel has less than three weeks to come up with an agreement on border security.

In the meantime, investors and economic policymakers, including the Federal Reserve, are operating without government analyses of retail sales, manufacturing, housing and other parts of the economy.