Even during his lifetime the estimate of his political policy fluctuated violently.
In the period 1875-1905 the area of beans in the United Kingdom fluctuated between 574,414 acres in 1875 and 230,429 acres in 1897, and that of peas between 318,410 acres in 1875 and 155,668 acres in 1901.
Amongst the nomadic Ugrians and agricultural Slays of the north their frontier fluctuated widely, and in its zenith Khazaria extended from the Dnieper to Bolgari upon the middle Volga, and along the eastern shore of the Caspian to Astarabad.
During the same period the critical estimates of the poet have fluctuated in a truly extraordinary manner.
The average output of petroleum annually in1900-1905was 120,000,000 gallons; this, again, has fluctuated greatly.