age distribution

Sample +39 3401816483,romina,scardocchia,, congo87@email.it ,,Campobasso,\N,86100,,,10/25/1981 0:00,,, +39 3401820039,amedeo,soro,, amedeo.soro@micso.net ,,Quartucciu,\N,9044,,,6/2/1981 0:00,,, +39 3401823652,giusepe,barberio,, barberio.gb@libero.it ,,veglie,puglia,73010,,,7/7/1977...