$25 I Bond with 3.40% Fixed Rate Purchased November 1999

 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
1999 25.001.76%6.98%25.141999
200025.2925.4325.5825.7225.871.91%7.28%26.0226.1826.3426.4926.6526.811.52%6.49%26.952000
200127.1027.2427.3927.5327.681.44%6.33%27.8227.9728.1128.2628.4128.561.19%5.82%28.702001
200228.8328.9729.1129.2529.390.28%3.97%29.4929.5829.6829.7829.8829.971.23%5.90%30.122002
200330.2630.4130.5630.7030.851.77%7.00%31.0331.2131.3931.5731.7531.930.54%4.50%32.052003
200432.1732.2932.4132.5332.651.19%5.82%32.8132.9633.1233.2833.4433.601.33%6.11%33.772004
200533.9434.1134.2834.4534.631.79%7.04%34.8335.0335.2335.4435.6435.852.85%9.20%36.122005
200636.3936.6736.9437.2237.500.50%4.42%37.6437.7737.9138.0538.1938.331.55%6.55%38.542006
200738.7438.9539.1639.3739.591.21%5.86%39.7839.9740.1740.3640.5540.751.53%6.51%40.972007
200841.1941.4141.6341.8542.082.42%8.32%42.3742.6642.9543.2443.5343.832.46%8.40%44.132008
200944.4444.7445.0545.3645.67-2.78%0.00%45.6745.6745.6745.6745.6745.671.53%6.51%45.912009
201046.1646.4146.6646.9147.160.77%4.97%47.3547.5547.7447.9448.1348.330.37%4.15%48.502010
201148.6648.8349.0049.1649.332.30%8.08%49.6649.9950.3250.6550.9951.321.53%6.51%51.592011
201251.8752.1552.4352.7152.991.10%5.64%53.2453.4853.7353.9854.2354.480.88%5.19%54.712012
201354.9555.1855.4255.6655.890.59%4.60%56.1056.3256.5356.7456.9657.180.59%4.60%57.402013
201457.6257.8358.0558.2758.500.92%5.27%58.7559.0159.2759.5259.7860.040.74%4.91%60.282014
201560.5360.7761.0261.2761.51-0.80%1.77%61.6061.6961.7861.8761.9662.050.77%4.97%62.302015
201662.5662.8263.0763.3363.590.08%3.56%63.7863.9764.1564.3464.5364.721.38%6.21%65.052016
201765.3865.7266.0566.3966.730.98%5.39%67.0367.3267.6267.9268.2368.53

From $25.00 to $68.53 over 18.0 years = 5.68% average annual increase compounded semi-annually.

Generated  05/01/17  10:10