I paid 68 months of social security why unemployment benefits only 10 months of unemployment benefits less than a year can collect unemployment benefits

Hello, you have paid for a total of 68 months of social security, that is, more than five years of social security, you can receive 12 months of unemployment benefits. You can only receive 10 months now, that's because you have already received unemployment benefits for a total of 24 months, you will no longer be given unemployment benefits. Not paid a full year of insurance, can not receive unemployment benefits, unemployment benefits to meet one of the conditions for the unit and I have been in accordance with the provisions of the fulfillment of the obligation to pay contributions for 1 year.