How much time did Bing Xin spend writing the spring water of the stars?

As a famous poet in the May 4th Movement, Bing Xin's poems are linked with Stars and Spring Water. There are 164 poems of Stars and 182 poems of Spring Water, which were mainly published in the Morning Post Supplement in 1922. The short poems have no separate titles, but are arranged according to serial numbers. In 1923, the two groups of poems were collected successively.