$25 I Bond with 1.20% Fixed Rate Purchased May 2005

 Jan
1
Feb
1
Mar
1
Apr
1
May
1
Infla
tion
Rate
Com
posite
Rate
Jun
1
Jul
1
Aug
1
Sep
1
Oct
1
Nov
1
Infla
tion
Rate
Com
posite
Rate
Dec
1
2005 25.001.79%4.80%25.1025.2025.3025.4025.5025.602.85%6.93%25.752005
200625.8926.0426.1926.3426.490.50%2.21%26.5426.5926.6426.6826.7326.781.55%4.32%26.882006
200726.9727.0727.1627.2627.361.21%3.63%27.4427.5227.6127.6927.7727.861.53%4.28%27.962007
200828.0628.1628.2628.3628.462.42%6.07%28.6028.7528.8929.0329.1829.322.46%6.15%29.472008
200929.6229.7729.9230.0730.22-2.78%0.00%30.2230.2230.2230.2230.2230.221.53%4.28%30.332009
201030.4330.5430.6530.7630.870.77%2.75%30.9431.0131.0831.1531.2231.290.37%1.94%31.342010
201131.3931.4431.4931.5431.592.30%5.83%31.7431.8932.0532.2032.3632.511.53%4.28%32.622011
201232.7432.8632.9733.0933.211.10%3.41%33.3033.4033.4933.5933.6833.780.88%2.97%33.862012
201333.9534.0334.1134.2034.280.59%2.39%34.3534.4234.4834.5534.6234.690.59%2.39%34.762013
201434.8334.9034.9735.0435.100.92%3.05%35.1935.2835.3735.4635.5535.640.74%2.69%35.722014
201535.8035.8835.9636.0436.12-0.80%0.00%36.1236.1236.1236.1236.1236.120.77%2.75%36.202015
201636.2836.3736.4536.5336.620.08%1.36%36.6636.7036.7436.7936.8336.871.38%3.98%36.992016
201737.1137.2437.3637.4837.60

From $25.00 to $37.60 over 12.0 years = 3.43% average annual increase compounded semi-annually.

Generated  11/01/16  10:44