Base interest rate
The basic interest rate (BIR) is determined on the basis of the average annual yield achieved at the primary market for three-month government securities. The nominal BIR for the period is calculated as average weighted by the number of days for which it is in force.
nom avp, %
| - | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2011 | 0.18 | 0.19 | 0.18 | 0.19 | 0.21 | - | - | - | - | - | - | - |
| 2010 | 0.39 | 0.24 | 0.18 | 0.17 | 0.18 | 0.20 | 0.18 | 0.17 | 0.17 | 0.17 | 0.17 | 0.18 |
| 2009 | 5.17 | 3.92 | 3.49 | 3.53 | 2.27 | 2.35 | 2.24 | 1.71 | 1.57 | 1.46 | 0.61 | 0.55 |
| 2008 | 4.68 | 4.75 | 4.83 | 4.85 | 4.93 | 4.96 | 5.06 | 5.25 | 5.23 | 5.38 | 5.72 | 5.77 |
| 2007 | 3.43 | 3.53 | 3.52 | 3.68 | 3.81 | 3.84 | 4.01 | 4.10 | 4.09 | 4.24 | 4.26 | 4.58 |
| 2006 | 2.21 | 2.25 | 2.28 | 2.48 | 2.57 | 2.56 | 2.69 | 2.80 | 2.94 | 2.98 | 3.19 | 3.26 |
| 2005 | 2.39 | 1.89 | 1.91 | 1.95 | 2.03 | 2.06 | 2.04 | 2.04 | 2.04 | 2.04 | 2.04 | 2.05 |
| 2004 | 2.79 | 2.49 | 2.41 | 2.55 | 2.83 | 3.78 | 2.44 | 2.43 | 2.40 | 2.40 | 2.42 | 2.36 |
| 2003 | 3.23 | 2.50 | 2.53 | 2.57 | 2.95 | 2.89 | 2.52 | 2.53 | 2.57 | 2.59 | 2.60 | 2.67 |
| 2002 | 4.78 | 4.58 | 4.45 | 4.10 | 3.92 | 3.74 | 3.67 | 3.77 | 3.75 | 3.71 | 3.71 | 3.35 |
| 2001 | 4.42 | 4.10 | 4.16 | 4.28 | 4.43 | 4.47 | 4.51 | 4.68 | 4.72 | 4.64 | 4.68 | 4.67 |
| 2000 | 4.23 | 3.37 | 3.30 | 3.61 | 3.54 | 3.71 | 3.69 | 3.56 | 3.91 | 4.12 | 4.54 | 4.62 |
| 1999 | 5.08 | 4.97 | 4.86 | 4.72 | 4.50 | 4.45 | 4.78 | 4.77 | 4.70 | 4.44 | 4.46 | 4.46 |
| 1998 | 6.40 | 5.76 | 5.37 | 5.41 | 5.24 | 5.16 | 5.20 | 5.15 | 5.09 | 5.14 | 5.21 | 5.03 |
| 1997 | 182.32 | 198.00 | 216.00 | 160.74 | 60.45 | 36.06 | 7.82 | 5.64 | 6.14 | 5.47 | 5.39 | 6.79 |
| 1996 | 34.00 | 40.90 | 47.87 | 52.00 | 96.10 | 108.00 | 108.00 | 108.00 | 152.80 | 272.90 | 186.00 | 180.00 |