Codes and Frequencies
EPNUM reports the activity episode number. Together IDENT, SAMPLE, and EPNUM uniquely identify activity records.
EPNUM is only available if you select a hierarchical extract. If you request a hierarchical extract and plan to construct time use variables in your statistics package, this variable may be useful to you.
- All activities.
- 1930, 1965, 1975, 1985, 1993, 1995, 1998, 2003-2012, 2018