Mês	Índice Acumulado
5/2019	4,2098
4/2019	4,1723
3/2019	4,1281
2/2019	4,0771
1/2019	4,0743
12/2018	4,0927
11/2018	4,1399
10/2018	4,1292
9/2018	4,0566
8/2018	4,0292
7/2018	4,0115
6/2018	3,9530