Fig. 7From: Measuring hours worked in Germany – Contents, data and methodological essentials of the IAB working time measurement conceptDie Berechnung der geleisteten Arbeitsstunden in Deutschland – Inhalte, Daten und methodische Grundlagen der IAB ArbeitszeitrechnungVolume of work and volume of (un-)paid overtime work; annual averages 1991–2014. (IAB Working Time Measurement Concept)Back to article page