In fact, the college entrance examination generally depends on the ranking, and the number of students enrolled generally does not change much, so the ranking is more valuable. I don't know much about fractions. Every year is different. According to the difficulty of the topic, the distribution of scores is also different.

For example, according to the admission scores of previous years and the ranking of 5 points (or more detailed) in relevant materials, we can probably know the lowest ranking of admission, which I think is relatively accurate. Scores are not very comparable every year.

For reference.