The total revenue generated from these sales was 9,519,664 Bitcoins, and the total commissions collected by Silk Road from the sales amounted to 614,305 Bitcoins. These figures are equivalent to roughly $1.2 billion in revenue and $79.8 million in commissions, at current Bitcoin exchange rates...", according to the September 2013 complaint, and involved 146,946 buyers and 3,877 vendors.[12] This statement was made to emphasize the importance of the operation, because in the years 2011-2013 the value of 9,519,664 Bitcoins was $0.2 billion.[77] According to information users provided upon registering, 30 percent were from the United States, 27 percent chose to be "undeclared", and beyond that, in descending order of prevalence: the United Kingdom, Australia, Germany, Canada, Sweden, France, Russia, Italy, and the Netherlands. During the 60-day period from 24 May to 23 July, there were 1,217,218 messages sent over Silk Road's private messaging system.[12]