What does it mean to pay the social security quota from 1992 to 1995?

Is to calculate the base of personal endowment insurance, there are the following concepts, 1, personal contribution base-take my average salary in the previous year as my social insurance contribution base;

2. When my average salary last year was lower than 60% of the local average salary last year, 60% of the local average salary last year was used as the payment base;

3. If my average salary last year was 3 times higher than the local average salary last year, 3 times the local average salary last year will be used as the payment base.