$500 I Bond with 3.40% Fixed Rate Purchased December 1999

 Infla
tion
Rate
Com
posite
Rate
Jan
1
Feb
1
Mar
1
Apr
1
May
1
Jun
1
Infla
tion
Rate
Com
posite
Rate
Jul
1
Aug
1
Sep
1
Oct
1
Nov
1
Dec
1
1999 500.001999
20001.76%6.98%502.80505.80508.60511.60514.40517.401.91%7.28%520.40523.60526.80529.80533.00536.202000
20011.52%6.49%539.00542.00544.80547.80550.60553.601.44%6.33%556.40559.40562.20565.20568.20571.202001
20021.19%5.82%574.00576.60579.40582.20585.00587.800.28%3.97%589.80591.60593.60595.60597.60599.402002
20031.23%5.90%602.40605.20608.20611.20614.00617.001.77%7.00%620.60624.20627.80631.40635.00638.602003
20040.54%4.50%641.00643.40645.80648.20650.60653.001.19%5.82%656.20659.20662.40665.60668.80672.002004
20051.33%6.11%675.40678.80682.20685.60689.00692.601.79%7.04%696.60700.60704.60708.80712.80717.002005
20062.85%9.20%722.40727.80733.40738.80744.40750.000.50%4.42%752.80755.40758.20761.00763.80766.602006
20071.55%6.55%770.80774.80779.00783.20787.40791.801.21%5.86%795.60799.40803.40807.20811.00815.002007
20081.53%6.51%819.40823.80828.20832.60837.00841.602.42%8.32%847.40853.20859.00864.80870.60876.602008
20092.46%8.40%882.60888.80894.80901.00907.20913.40-2.78%0.00%913.40913.40913.40913.40913.40913.402009
20101.53%6.51%918.20923.20928.20933.20938.20943.200.77%4.97%947.00951.00954.80958.80962.60966.602010
20110.37%4.15%970.00973.20976.60980.00983.20986.602.30%8.08%993.20999.801,006.401,013.001,019.801,026.402011
20121.53%6.51%1,031.801,037.401,043.001,048.601,054.201,059.801.10%5.64%1,064.801,069.601,074.601,079.601,084.601,089.602012
20130.88%5.19%1,094.201,099.001,103.601,108.401,113.201,117.800.59%4.60%1,122.001,126.401,130.601,134.801,139.201,143.602013
20140.59%4.60%1,148.001,152.401,156.601,161.001,165.401,170.000.92%5.27%1,175.001,180.201,185.401,190.401,195.601,200.802014
20150.74%4.91%1,205.601,210.601,215.401,220.401,225.401,230.20-0.80%1.77%1,232.001,233.801,235.601,237.401,239.201,241.002015
20160.77%4.97%1,246.001,251.201,256.401,261.401,266.601,271.800.08%3.56%1,275.601,279.401,283.001,286.801,290.601,294.402016
20171.38%6.21%1,301.001,307.601,314.401,321.001,327.801,334.600.98%5.39%1,340.601,346.401,352.401,358.401,364.601,370.602017
20181.24%5.92%1,377.201,384.001,390.801,397.601,404.401,411.201.11%5.66%1,417.801,424.401,431.001,437.801,444.401,451.202018

From $500.00 to $1,451.20 over 19.0 years = 5.69% average annual increase compounded semi-annually.

Generated  05/01/18  10:10