Table 7: Invalid, blank and null votes, Presidential Elections (Brazil = 100)
  São Paulo Guanabara (city of Rio) Minas Gerais  Brazil (=100)
1945 130 57 57 2.3%
1950 95 104  105 4.4%
1955 117 35 107 10.7%
1960 71 61 139 7.2%
Source: see table 5.