Credit card banks give employees a provident fund of 2, yuan every month. According to the relevant public information, when the employee's contribution to the provident fund and the proportion of the average monthly salary in the previous year are determined by 12%, what we should pay attention to at present is the average monthly salary in the previous year. According to the data published in the statements of listed companies, the average annual income of bank employees is at least 2, yuan, even if it is calculated according to 2, yuan, it is equivalent to a monthly average of 2,12 = 16,667 yuan, so the monthly contribution of personal provident fund is