The .gov means it's official. Federal government websites often end in .gov or .mil. Before sharing sensitive information,
make sure you're on a federal government site.
The site is secure. The
https:// ensures that you are connecting to the official website and that any
information you provide is encrypted and transmitted securely.
Productivity gains, aided by new technology, especially computers, but moderated by cyclical downturns, averaged 2.6 percent a year over the 1958-80 period.