| 2009 | 2010 | 2011 | 2012 | 2013 | |
|---|---|---|---|---|---|
| Canais de atendimento | |||||
| Telefone | 299.025 | 251.343 | 253.390 | 265.671 | 219.507 |
| Escrito ( e-maile cartas) | 47.805 | 49.119 | 53.487 | 53.321 | 55.030 |
| Presencial | 8.625 | 5.561 | 6.049 | 7.300 | 5.527 |
| Canais de autoatendimento | |||||
| Internet | 3.112.627 | 5.131.239 | 5.095.298 | 6.274.485 | 8.348.764 |
| Central 0800 | 99.083 | 88.335 | 87.632 | 87.674 | 85.042 |
| Total | 3.567.165 | 5.525.597 | 5.495.856 | 6.688.451 | 8.713.870 |