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