The data are currently available in SAS. To facilitate downloading, the SAS data files have been compressed into ZIP files. All the data can be downloaded at once, i.e., as a single file.

Uncompressing Files

Windows XP comes with software for unzipping a zipped file. For older versions of Windows, WinZip may be used to decompress the files. Click on the following link to download WinZip: UNIX/LINUX distributions normally come with decompressing software.