Survey on the Labour Insertion of University Graduates 
Affiliation to Social Security and contribution base of the university graduates from the 2009-2010 academic year. Absolute figures
Quintile lower limits (in euros) of the contribution bases (March each year)
Unidades: euros

	2011	2012	2013	2014	
Segundo quintil	604,8	729,2	764,19	774,83	
Tercer quintil	1.115	1.190,09	1.233,75	1.310,24	
Cuarto quintil	1.583,33	1.686,28	1.725,05	1.773,75	
Quinto quintil	2.195,86	2.274,95	2.331,17	2.368,04	
Notas:
Fuente: Instituto Nacional de Estadística