here http://w3.datasus.gov.br/siscam/index.php?area=02 , you can download the dataset but is necessary install a program available there, the steps are the following:
http://w3.datasus.gov.br/siscam/index.php?area=02
sismama
instalador sismama 4.18
after this the data set is already available. Any problem,
So, you have some files that correponding the dataset from of the years 2000 until 2012, if you choose volume unico you should extract many files, you can choose volume 12 for the data related 2012, for the inicial analysis.
Anyway, if you don´t see the data i can send you the files.