 At the Sixth Congress in Moscow, Zhou had given figures indicating that, by 1928, fewer than 32,000 union members remained who were loyal to the Communists, and that only ten percent of Party members were proletarians.By 1929, only three percent of the Party were proletarians.In early 1930, Zhou began to disagree with the timing of Li Lisan's strategy of favoring rich peasants and concentrating military forces for attacks on urban centers.