| 1990 | 2000 | 2005 | 2009 | |
|---|---|---|---|---|
| Distrito Federal | 2.12 | 2.64 | 3.42 | 3.80 |
| Rio de Janeiro | 2.57 | 3.00 | 3.35 | 2.71 |
| São Paulo | 1.50 | 1.92 | 2.23 | 2.52 |
| Rio Grande do Sul | 1.40 | 1.84 | 2.02 | 2.31 |
| Espírito Santo | 1.16 | 1.33 | 1.74 | 2.03 |
| Paraná | 0.92 | 1.20 | 1.53 | 2.00 |
| Santa Catarina | 0.78 | 1.09 | 1.53 | 1.89 |
| Minas Gerais | 0.99 | 1.35 | 1.63 | 1.84 |
| Goiás | 0.85 | 1.07 | 1.39 | 1.64 |
| Mato Grosso do Sul | 0.80 | 1.01 | 1.34 | 1.63 |
| Roraima | 0.22 | 0.57 | 1.06 | 1.45 |
| Pernambuco | 0.85 | 1.06 | 1.30 | 1.41 |
| Sergipe | 0.69 | 0.83 | 1.13 | 1.36 |
| Tocantins | 0.47 | 0.97 | 1.35 | |
| Rio Grande do Norte | 0.74 | 0.89 | 1.18 | 1.32 |
| Paraíba | 0.77 | 0.92 | 1.14 | 1.27 |
| Mato Grosso | 0.54 | 0.64 | 1.07 | 1.24 |
| Alagoas | 0.81 | 0.94 | 1.14 | 1.18 |
| Amazonas | 0.47 | 0.53 | 0.92 | 1.12 |
| Rondônia | 0.36 | 0.04 | 0.80 | 1.11 |
| Bahia | 0.64 | 0.84 | 0.97 | 1.10 |
| Ceará | 0.61 | 0.72 | 0.90 | 1.05 |
| Acre | 0.26 | 0.52 | 0.81 | 1.03 |
| Amapá | 0.26 | 0.40 | 0.82 | 0.99 |
| Piauí | 0.46 | 0.57 | 0.78 | 0.92 |
| Pará | 0.51 | 0.51 | 0.74 | 0.83 |
| Maranhão | 0.35 | 0.42 | 0.56 | 0.64 |