Occupation (main groups) of the main breadwinner	Coefficient of variation	Periodo	Total
Total	Variation coefficient	2015	1,2
Total	Variation coefficient	2014	1,2
Total	Variation coefficient	2013	1,2
Total	Variation coefficient	2012	1,2
1 Directors and managers	Variation coefficient	2015	5,5
1 Directors and managers	Variation coefficient	2014	5,7
1 Directors and managers	Variation coefficient	2013	5,6
1 Directors and managers	Variation coefficient	2012	5,5
2 Scientific and intellectual technicians and professionals 	Variation coefficient	2015	3,2
2 Scientific and intellectual technicians and professionals 	Variation coefficient	2014	3,2
2 Scientific and intellectual technicians and professionals 	Variation coefficient	2013	3,3
2 Scientific and intellectual technicians and professionals 	Variation coefficient	2012	3,4
3 Technicians; support professionals	Variation coefficient	2015	3,8
3 Technicians; support professionals	Variation coefficient	2014	3,6
3 Technicians; support professionals	Variation coefficient	2013	3,6
3 Technicians; support professionals	Variation coefficient	2012	3,5
4 Accounting, administrative and other office employees	Variation coefficient	2015	4,2
4 Accounting, administrative and other office employees	Variation coefficient	2014	4,1
4 Accounting, administrative and other office employees	Variation coefficient	2013	4,2
4 Accounting, administrative and other office employees	Variation coefficient	2012	4,5
5 Workers in catering, personal, and protection services and salespersons	Variation coefficient	2015	2,8
5 Workers in catering, personal, and protection services and salespersons	Variation coefficient	2014	2,7
5 Workers in catering, personal, and protection services and salespersons	Variation coefficient	2013	2,9
5 Workers in catering, personal, and protection services and salespersons	Variation coefficient	2012	2,9
6 Skilled agricultural, livestock, forestry and fishing sector workers	Variation coefficient	2015	7,7
6 Skilled agricultural, livestock, forestry and fishing sector workers	Variation coefficient	2014	8,5
6 Skilled agricultural, livestock, forestry and fishing sector workers	Variation coefficient	2013	7,4
6 Skilled agricultural, livestock, forestry and fishing sector workers	Variation coefficient	2012	7,5
7 Craftspersons and skilled workers in manufacturing and construction (except installation and machinery operators 	Variation coefficient	2015	3,1
7 Craftspersons and skilled workers in manufacturing and construction (except installation and machinery operators 	Variation coefficient	2014	3
7 Craftspersons and skilled workers in manufacturing and construction (except installation and machinery operators 	Variation coefficient	2013	3,1
7 Craftspersons and skilled workers in manufacturing and construction (except installation and machinery operators 	Variation coefficient	2012	3
8 Installation and machinery operators and assemblers	Variation coefficient	2015	3,9
8 Installation and machinery operators and assemblers	Variation coefficient	2014	3,8
8 Installation and machinery operators and assemblers	Variation coefficient	2013	3,8
8 Installation and machinery operators and assemblers	Variation coefficient	2012	3,8
9 Basic occupations	Variation coefficient	2015	3,9
9 Basic occupations	Variation coefficient	2014	3,9
9 Basic occupations	Variation coefficient	2013	4,1
9 Basic occupations	Variation coefficient	2012	4,2
Other case	Variation coefficient	2015	14,7
Other case	Variation coefficient	2014	15,3
Other case	Variation coefficient	2013	12,9
Other case	Variation coefficient	2012	14,3