Payment in 14 installments

In Finland yearly salary is generally paid in 12 installments. In Spain it is common that yearly salary is paid in 14 installments.It means that monthly payments are smaller as yearly salary is divided to smaller portions. Though the interval of the 14 payments is not even. You get paid monthly but the 13th and 14th installment are paid usually on July and December. Basically you get double salary on these months. The employer basically saves money for the employees for summer holiday and Christmas shopping.