$25 I Bond with 1.10% Fixed Rate Purchased October 2003

 Jan
1
Feb
1
Mar
1
Apr
1
Infla
tion
Rate
Com
posite
Rate
May
1
Jun
1
Jul
1
Aug
1
Sep
1
Oct
1
Infla
tion
Rate
Com
posite
Rate
Nov
1
Dec
1
2003 25.001.77%4.66%25.1025.192003
200425.2925.3925.4825.580.54%2.19%25.6325.6725.7225.7725.8125.861.19%3.49%25.9326.012004
200526.0826.1626.2426.311.33%3.77%26.3926.4726.5626.6426.7226.811.79%4.70%26.9127.022005
200627.1227.2327.3327.442.85%6.83%27.5927.7527.9028.0628.2228.380.50%2.11%28.4328.482006
200728.5328.5828.6328.681.55%4.22%28.7828.8828.9829.0829.1829.291.21%3.53%29.3829.462007
200829.5529.6329.7229.811.53%4.18%29.9130.0230.1230.2230.3330.432.42%5.97%30.5830.732008
200930.8831.0331.1931.342.46%6.05%31.5031.6531.8131.9732.1332.29-2.78%0.00%32.2932.292009
201032.2932.2932.2932.291.53%4.18%32.4032.5132.6332.7432.8532.960.77%2.65%33.0333.102010
201133.1833.2533.3233.400.37%1.84%33.4533.5033.5533.6033.6633.712.30%5.73%33.8734.032011
201234.1934.3534.5134.681.53%4.18%34.8034.9235.0435.1635.2835.401.10%3.31%35.5035.592012
201335.6935.7935.8935.990.88%2.87%36.0836.1636.2536.3336.4236.510.59%2.29%36.5836.652013
201436.7236.7936.8636.930.59%2.29%37.0037.0737.1437.2137.2837.350.92%2.95%37.4437.532014
201537.6237.7237.8137.900.74%2.59%37.9838.0638.1438.2338.3138.39-0.80%0.00%38.3938.392015
201638.3938.3938.3938.390.77%2.65%38.4738.5638.6438.7338.8138.900.08%1.26%38.9438.982016
201739.0239.0639.1039.151.38%3.88%39.2839.4039.5339.6539.7839.91

From $25.00 to $39.91 over 14.0 years = 3.37% average annual increase compounded semi-annually.

Generated  11/01/16  10:44