| ... | data not available. |
| - | nil or non-existence of the event considered. |
| 0 ou 0,0 | less than half the final digit shown. |
| * | preliminary figures. |
| A hiphen (-) between years (1970-1975) indicates the years covered, including the beginning and ending years. | |
| A bar (/) between years (1970/1975) indicates the average of the years covered, including the beginning and ending years, or even crop or agreement year, when mentioned in the text. | |
| Minor discrepancies between constituent figures and totals as well as percentage changes are due to rounding. | |
| There are no references to sources in tables and graphs originated in the Banco Central do Brasil. | |