$200 I Bond with 1.00% Fixed Rate Purchased October 2004

 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
2004 200.001.19%3.39%200.56201.122004
2005201.68202.24202.80203.361.33%3.67%204.00204.56205.20205.84206.48207.121.79%4.60%207.92208.722005
2006209.52210.32211.12211.922.85%6.73%213.12214.24215.44216.64217.84219.040.50%2.01%219.44219.762006
2007220.16220.48220.88221.281.55%4.12%222.00222.80223.52224.32225.04225.841.21%3.43%226.48227.122007
2008227.76228.40229.04229.681.53%4.08%230.48231.20232.00232.80233.60234.402.42%5.86%235.52236.642008
2009237.84238.96240.08241.282.46%5.94%242.48243.68244.80246.00247.20248.48-2.78%0.00%248.48248.482009
2010248.48248.48248.48248.481.53%4.08%249.28250.16251.04251.84252.72253.520.77%2.55%254.08254.562010
2011255.12255.68256.24256.720.37%1.74%257.12257.44257.84258.24258.56258.962.30%5.62%260.16261.362011
2012262.56263.76265.04266.241.53%4.08%267.12268.00268.96269.84270.72271.681.10%3.21%272.40273.122012
2013273.84274.56275.28276.080.88%2.77%276.72277.36278.00278.64279.28279.920.59%2.19%280.40280.962013
2014281.44281.92282.48282.960.59%2.19%283.44284.00284.48285.04285.52286.080.92%2.85%286.72287.442014
2015288.08288.80289.44290.160.74%2.49%290.72291.36292.00292.56293.20293.76-0.80%0.00%293.76293.762015
2016293.76293.76293.76293.760.77%2.55%294.40295.04295.60296.24296.88297.520.08%1.16%297.84298.082016
2017298.40298.64298.96299.281.38%3.77%300.24301.12302.08303.04304.00304.960.98%2.97%305.68306.482017
2018307.20308.00308.72309.521.24%3.49%310.40311.28312.24313.12314.00314.961.11%3.23%315.84316.642018
2019317.52318.32319.20320.081.16%3.33%320.96321.84322.72323.60324.48325.440.70%2.41%326.08326.722019
2020327.36328.08328.72329.361.01%3.03%330.16331.04331.84332.64333.52334.320.53%2.07%334.88335.442020
2021336.08336.64337.20337.76

From $200.00 to $337.76 over 16.5 years = 3.20% average annual increase compounded semi-annually.

Generated  05/01/20  10:18