For period 1993-2005 the duration of job search was used. The "Unknowns" contain (i) persons, who have found a job already, but their commencement of work is fixed for a later time and (ii) "not identified". Duration of "Less than one month" refers to the duration of unemployment during the previous four weeks, including the survey reference week. Since 2006 the duration of job search and the duration of unemployment have been compared and then the shorter duration of them has been used.
For period 1993-2005 the duration of job search was used. The "Unknowns" contain (i) persons, who have found a job already, but their commencement of work is fixed for a later time and (ii) "not identified". Duration of "Less than one month" refers to the duration of unemployment during the previous four weeks, including the survey reference week. Since 2006 the duration of job search and the duration of unemployment have been compared and then the shorter duration of them has been used.