Country of birth of the parents of the main breadwinner	Coefficient of variation	Periodo	Total
Total	Variation coefficient	2015	0,8
Total	Variation coefficient	2014	0,8
Total	Variation coefficient	2013	0,8
Total	Variation coefficient	2012	0,8
Total	Variation coefficient	2011	0,8
Spain	Variation coefficient	2015	0,9
Spain	Variation coefficient	2014	0,9
Spain	Variation coefficient	2013	0,8
Spain	Variation coefficient	2012	0,9
Spain	Variation coefficient	2011	0,9
Abroad	Variation coefficient	2015	4
Abroad	Variation coefficient	2014	4
Abroad	Variation coefficient	2013	4,2
Abroad	Variation coefficient	2012	4,3
Abroad	Variation coefficient	2011	4,2
Other case	Variation coefficient	2015	11,9
Other case	Variation coefficient	2014	10,4
Other case	Variation coefficient	2013	11,4
Other case	Variation coefficient	2012	11,1
Other case	Variation coefficient	2011	10,9