(ANSA) - BELGRADE, AUG 22 - The PMI index, which measures purchasing managers' confidence in various sectors of German manufacturing in August, is at 42.1 points, compared to analysts' expectations of 43.4 and 43.2 in July. The data for the tertiary sector in August is 51.4 points, compared to 52.3 estimated and 52.5 in July. (ANSA).