The table below shows the reduction factors for various ages and years of birth.
FORBES: The Social Security Spousal Benefit - Further Explanation
Mr Verster, Route Managing Director for Network Rail, said there were a number of factors for the reduction in cable theft, including engineers developing cables that were harder to steal and easier to identify.
Ecologists warn that the threat from deer to woodlands consist of a number of factors, including a reduction in the growth and density of saplings, bark damage and a change in the composition of under-storey vegetation.
"All of those factors have led to the reduction in domestic violence of 64%, " she said.
The EEA report identified a range of factors that contributed to the reduction during 2008, including less demand for power as economic activity slowed.
Professor Peter Clayton, a paediatric endocrinologist at the University of Manchester, told the BBC News website it was still unclear what factors might be driving a reduction in the age of onset of puberty.
Experts said they thought the reduction could be due to several factors including people thinking it was not worth reporting or that they may be ridiculed.
Since the implementation of HIPS for the 3 and 4 bedroom properties there have been a sharp reduction in the number of those properties being put on the market even after taking into account a general reduction in the number of properties being marketed due to other factors.
BBC: Hips have split opinion over whether or not they are needed
Exercise, and a reduction in fat, particularly around the middle, is one of the most powerful factors for lowering CRP.
And a reduction there undoubtedly is, even allowing for the effect of contracting-out rebates and other factors.
For these reasons, they are unable to demonstrate whether an observed reduction in hospital admissions was due to measurable reductions in exposure to tobacco smoke or to other factors, such as the long-term continuing decline in heart disease rates, other factors that may affect smoking prevalence, changes in other risk factors for heart disease, or mere chance fluctuations.
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