Fig. 4
From: The measure of socio-economic status in PISA: a review and some suggested improvements
(Source: PISA 2000–2015 database)
Percentage of respondents with missing parental occupation component of ESCS. The figure represents the median, interquartile range (shaded area) and adjacent values for HISEI. Adjacent values are defined as the most extreme missing rates within 1.5 times the interquartile range from the nearest quartile. The following countries have missing rates that exceed the upper adjacent value: 2000: Israel (26.0), Japan (62.5), United States (14.6); 2003: New Zealand (14.1); 2006: Azerbaidjan (17.0), Israel (16.1), Jordan (20.7), Qatar (41.2); 2009: Georgia (22.4), Himachal Pradesh (India) (32.6), Panama (17.0), Qatar (19.4), Tamil Nadu (India) (23.4); 2012: Germany (19.5), Jordan (21.8), Montenegro (16.2), Qatar (18.3), United Arab Emirates (15.0). 2015: Algeria (23.4), Thailand (22.8)