Income of the Russian state from the siberian furs in the XVII century

The question of the cost of Siberian furs was of interest to the public already in the 17th century. The annual income of the treasury from furs was, estimated from several tens of thousands to several hundred thousand rubles. Grigory Kotoshikhin estimated the income of the state treasury from the Siberian furs in more than 600 thousand rubles, which was about a third of the total budget of the Russian state. These data aroused criticism of P.N. Miliukov, who believed that the income of the Siberian Order did not exceed 150,000 rubles a year. However, V.O. Kliuchevsky, M.K. Lyubayslcy, N.N. Firsov, G.V. Vernadsky and other researchers shared Kotoshikhin's data on the magnitude of the Siberian yasak. In turn, the views of PN Milyukov were developed by Siberian historians SV Bakhrushin and PN Pavlov. According to the report of the Siberian order of 1691, in 40-80 years 17th century. From Siberia, the state brought furs in the amount of 80-100 thousand rubles a year.