Fonte:
http://info.portaldasfinancas.gov.pt/NR/rdonlyres/107AAAFC-08D4-4881-A76A-99AE1CF6F09F/0/IVE_1408-1492_2010.pdf
http://info.portaldasfinancas.gov.pt/NR/rdonlyres/5C44776B-A6F1-4ABF-8C5D-552CEA5C2216/0/IVE_1099-1168_2010.pdf
