Acquire /realization shares | Result on Treasure Shares | Total Treasure Shares | ||||||||||||||
Thousands shares | Thousands Brazilian Real | Thousands shares | Thousands Brazilian Real | |||||||||||||
At December 31, 2015 | 32.6 | (617.5 | ) | (386.1 | ) | (1,003.5 | ) | |||||||||
Changes during the year | (16.0 | ) | 304.7 | (209.9 | ) | 94.8 | ||||||||||
At December 31, 2016 | 16.6 | (312.7 | ) | (596.0 | ) | (908.7 | ) | |||||||||
Changes during the year | (9.1 | ) | 173.0 | (159.3 | ) | 13.7 | ||||||||||
At December 31, 2017 | 7.5 | (139.7 | ) | (755.3 | ) | (895.0 | ) |