The number of years of experience since graduation was also divided by time intervals: 3.3% had less than five years of experience since graduation; 13.4% had between five and nine years; 14.5% between ten and fourteen years; 17.2%, between fifteen and nineteen years; 31.5% between twenty and twenty-nine years; and 20.2% had thirty years of experience since graduation or more.
El tiempo de formación fue dividido también por intervalos de tiempo: 3,3% tenían menos de cinco años como graduados; 13.4%, entre cinco y diez años incompletos; 14.5%, entre diez y quince años incompletos; 17.2%, entre quince y veinte años incompletos; 31,5% entre veinte y treinta años incompletos; y 20,2%, con 30 años o más.
O tempo de formados também foi dividido por intervalos de tempo: 3,3% tinham menos de cinco anos de formados; 13,4%, entre cinco e dez anos incompletos; 14,5%, entre dez e quinze anos incompletos; 17,2%, entre quinze e vinte anos incompletos; 31,5%, entre vinte e trinta anos incompletos; e 20,2%, com trinta anos ou mais.