What is the proportion of words in each paragraph of primary school Chinese?

Word: Grade 1-2: 16-18, of which 8-1 can write. 5% < P > Grade 3-4: 2,5, of which 2, can write; 3% < P > Grade 5-6: 3,, of which about 2,5 can write. 2%

(the upper segment is cumulative calculation)

Words: According to the situation of words, words accumulate more in the lower segment and are used more in the upper segment.