Ibovespa Brasil Sao Paulo Stock Exchange Index is a gross total return index weighted by free float market cap & is comprised of the most liquid stocks traded on the Sao Paulo Stock Exchange. It has been divided 10 times by a factor of 10 since Jan 1, 1985:12/02/85, 08/29/88, 04/14/89, 01/12/90, 05/28/91, 01/21/92, 01/26/93, 08/27/93, 02/10/94, and 03/03/97. – Bloomberg