By the beginning of 1921, money has lost 96% of its pre-war value; industrial production has fallen to 10% of its 1913 level. The population of Petrograd has fallen from 2.5 million in 1917 to 600,000 in 1920 (6 St. 27 Min, 26 Jan 1921 Jahr – 8 St. 1 Min, 1 Dez 1921 Jahr)
