| TAXA REFERENCIAL - TR | |||||||||||||
| Anos/Meses | Janeiro | Fevereiro | Marēo | Abril | Maio | Junho | Julho | Agosto | Setembro | Outubro | Novembro | Dezembro | |
| 1991 | 7,00% | 8,50% | 8,93% | 8,99% | 9,40% | 10,05% | 11,95% | 16,78% | 19,77% | 30,52% | 28,42% | ||
| 1992 | 25,48% | 25,61% | 24,27% | 21,08% | 19,81% | 21,05% | 23,69% | 23,22% | 25,38% | 25,07% | 23,29% | 23,95% | |
| 1993 | 26,76% | 26,40% | 25,81% | 28,22% | 28,68% | 30,08% | 30,37% | 33,34% | 34,62% | 36,53% | 36,16% | 36,80% | |
| 1994 | 41,44% | 39,86% | 41,85% | 45,97% | 46,44% | 46,87% | 5,026% | 2,131% | 2,439% | 2,555% | 2,9210% | 2,8731% | |
| 1995 | 2,1013% | 1,8531% | 2,2998% | 3,4667% | 3,2471% | 2,8863% | 2,9905% | 2,6045% | 1,9393% | 1,6540% | 1,4387% | 1,3400% | |
| 1996 | 1,2526% | 0,9625% | 0,8139% | 0,6597% | 0,5888% | 0,6099% | 0,5851% | 0,6275% | 0,6620% | 0,7419% | 0,8146% | 0,8717% | |
| 1997 | 0,7440% | 0,6616% | 0,6316% | 0,6211% | 0,6354% | 0,6535% | 0,6580% | 0,6270% | 0,6474% | 0,6553% | 1,5334% | 1,3085% | |
| 1998 | 1,1459% | 0,4461% | 0,8995% | 0,4720% | 0,4543% | 0,4913% | 0,5503% | 0,3749% | 0,4512% | 0,8892% | 0,6136% | 0,7434% | |
| 1999 | 0,5163% | 0,8298% | 1,1614% | 0,6092% | 0,5761% | 0,3108% | 0,2933% | 0,2945% | 0,2715% | 0,2265% | 0,1998% | 0,2998% | |
| 2000 | 0,2149% | 0,2328% | 0,2242% | 0,1301% | 0,2492% | 0,2140% | 0,1547% | 0,2025% | 0,1038% | 0,1316% | 0,1197% | 0,0991% | |
| 2001 | 0,1369% | 0,0368% | 0,1724% | 0,1546% | 0,1827% | 0,1458% | 0,2441% | 0,3436% | 0,1627% | 0,2913% | 0,1928% | 0,1983% | |
| 2002 | 0,2591% | 0,1171% | 0,1758% | 0,2357% | 0,2102% | 0,1582% | 0,2656% | 0,2481% | 0,1955% | 0,2768% | 0,2644% | 0,3609% | |
| 2003 | 0,4878% | 0,4116% | 0,3782% | 0,4184% | 0,4650% | 0,4166% | 0,5465% | 0,4038% | 0,3364% | 0,3213% | 0,1776% | 0,1899% | |
| 2004 | 0,1280% | 0,0458% | 0,1778% | 0,0874% | 0,1546% | 0,1761% | 0,1952% | 0,2005% | 0,1728% | 0,1108% | 0,1146% | 0,2400% | |
| 2005 | 0,1880% | ||||||||||||