Mês	Índice Acumulado
9/2019	4,2312
8/2019	4,2529
7/2019	4,2533
6/2019	4,2267
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