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 ч 27 мин, 26 янв 1921 г. – 8 ч 1 мин, 1 дек 1921 г.)
