S: STATISTICS AUSTRIA, Labour Force Survey (Microcensus). Up to 2002 survey of March; 2003 average of surveys of March, June, September und December; from 2004 onwards: continuous survey (average of all weeks of a year). Compiled on 19 April 2012 The life-long learning indicator refers to the share of population aged 25 to 64 having received education or training in the four weeks preceding the survey. - *) Break in time series.