How much is the social security card after working in Shenzhen Foxconn for 4 years?

I have worked in Shenzhen Foxconn for 4 years, and the approximate amount of social security card is calculated as follows. The average salary of the local community is 20,000, so the payment of endowment insurance is 20,000 * 20% = about 4,000/year, and the medical care is 20,000 *10% = about 2,000/year. In addition, it is also stipulated that the lowest grade and the highest grade are not less than 60% of the average monthly salary of social workers, and the highest grade is 300% of the average monthly salary of employees. Generally, the lowest grades are mostly.