Percentage of jobholders holding Hauptschulabschluss, Realschulabschluss or Abitur in Germany:
Reference 1: Hauptschulabschluss, Realschulabschluss and Abitur.
Reference 2: 1970, 1982, 1991 and 2000.
Source: http://en.wikipedia.org/wiki/Demographics_of_Germany
Reference 2: 1970, 1982, 1991 and 2000.
Source: http://en.wikipedia.org/wiki/Demographics_of_Germany