The official retail price index last year rose 7.2 percent from 1986.
This is the financial equivalent of over £6.45 million in 2008 terms, using the retail price index.
The bond offered 1.25pc over the retail price index for 10 years.
But the old retail price index plunged to just 3%, the lowest since May 2006.
The state pension is increased annually in line with the retail price index.
The information collected is used in the construction of the retail price index (see Chapter 8).
Traditionally, benefits had gone up each spring with the overall cost of living as measured by the retail price index.
It should be noted that the old retail price index plunged to just 3%, the lowest since May 2006.
During the same period, the retail price index, China's benchmark for inflation, rose just 1.8 percent.
Adjusting for inflation, this amounts to about £419,000 in 2010, using the retail price index.