The number of graduate students in the School of Humanities of Chang 'an University changes every year. The number of graduate students in the School of Humanities of Chang 'an University is allocated in proportion, and the annual graduate student ratio is 14%, which is the quota allocated by Chang 'an Education Bureau. If there is more enrollment, the number of graduate students will increase proportionally, and if there is less enrollment, the number of graduate students will also decrease. Therefore, the number of graduate students in the School of Humanities of Chang 'an University changes every year.