The OUT= data set specified in the OUTPUT statement contains the BY variables, if any; the ID variables, if any; and the DATE= variable if the DATE= option is given, or _DATE_ if the DATE= option is not specified.
In addition, the variables specified by the option
tablename =var1 var2 …varn
are placed in the OUT= data set. A list of tables available for monthly and quarterly series is given later, in Table 37.3.