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Ribeirão Preto, SP, Brazil.
| Year of | Ribeirão Preto | João Pessoa | Teresina | |||
|---|---|---|---|---|---|---|
| report | n | % | n | % | n | % |
| 2009 | 22 | 18.2 | 6 | 10.7 | 4 | 5.9 |
| 2010 | 28 | 23.1 | 10 | 17.9 | 14 | 20.6 |
| 2011 | 51 | 42.1 | 7 | 12.5 | 21 | 30.9 |
| 2012 | 15 | 12.4 | 10 | 17.9 | 21 | 30.9 |
| 2013 | 5 | 4.1 | 23 | 41.1 | 8 | 11.8 |
