There are only 450 normal universities in China, and only normal universities have history departments. Such a school has a maximum of 200 students in a department, and 800 students in four years, so it is 1000 students. There are only 50 thousand history students in 50 schools
If you go to graduate school, at most, less than one third, that is, 1 000 people. If admitted, it is estimated that there will be fewer, thousands of people. The number of comparative graduate students is limited.