The proportion of winners in the National College Mathematics Competition (CMC) varies from year to year and from division to division. Taking 2022 as an example, the proportion of winners in the national college mathematics competition is as follows:

The winning rates of the first prize, the second prize and the third prize of the professional group were 7%, 10.5% and 17.5% respectively. The winning rate of the first prize in the non-professional group exceeded 8.8 percentage points, the winning rate of the second prize was 12.9%, and the winning rate of the third prize was 29.4%.