Among other measures, the number of Soviet strategic nuclear weapons has increased four-fold since 1972.
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Yet, a difference that small cannot account for a three- to four-fold difference in cancer screening rates.
Lithium battery chemistry, commercialized in 1991, changes this equation with a four-fold gain in energy stored per pound.
The cuts, introduced on Sunday, mean a four-fold rise in the price of petrol and reduced subsidies for bread.
This represents an average annual growth rate of more than 35% and a four-fold increase over a span of five years.
Nasdaq is coming off an 86% rise in value in 1999 -- and a four-fold increase over the past four years.
Its shares, the most expensive on the Swedish bourse, have risen four-fold in the past two years, easily outstripping the index.
Since then, the number of vehicles (cars and trucks) nationwide has increased more than four-fold, from 74 million to more than 300 million.
According to projections by Century Link, by 2015, the world will see a four-fold increase in the amount of data being created and replicated.
Scotland could see a four-fold increase in the number of cruise passengers visiting its ports over the next 20 years, according to an industry study.
That's close to a four-fold increase over the previous year, 2004.
In New Delhi, the costs are four-fold greater than in Bangkok.
In American cities, they have risen four-fold in recent years.
Wahid's presidency and the almost four-fold increase in seats to Pas signal that Islam is, more than ever, a force to be reckoned with in both Indonesia and Malaysia.
But the government's chief energy scientist, David MacKay, has warned that the UK would need to increase its nuclear fleet four-fold or its wind energy 20-fold to decarbonise heavy industry.
Among both Finns and French, people born with an apo E-2 gene have a four-fold greater likelihood of reaching 100 than those born with an apo E-4, the studies find.
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According to Kapil Kaul, chief executive, Centre for Asia Pacific Aviation India, the number of airline passengers is expected to grow nearly four-fold from 123 million to 450 million by 2020.
Web traffic for the program is up four-fold.
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They added that since the completion of the Aswan High Dam, Egypt's population had doubled, calorie intake and meat consumption had risen by more than a third, and the use of fertilisers had increased four-fold.
Mr Corrigan's victory over the unions in the docks war led to a four-fold increase in productivity per worker at Patrick's freight terminals in Brisbane, Melbourne and Sydney, the three eastern ports that handle the bulk of Australia's trade.
Far too late, Mr. Cameron has understood the necessity of strengthening his government's relationship with Germany the number of bilateral meetings at all levels has risen four-fold since 2010 but there is still a long way to go, a senior government figure concedes.
Launched in 2006, the strategy has led to a four-to-six-fold increase in the provision of sterile injecting equipment and an increase in the number of people, mainly in drug services and prisons, being tested for the infection.
But the likes of Istanbul, Dubai and Qatar saw their passenger traffic jump four and five-fold in that time.
Tokyo's star performers are firms such as Hikari Tsushin, a mobile-phone retailer whose shares have risen 70-fold in four years.
Gestational diabetes - which affects four in 100 pregnancies - was associated with a two-fold increase in the risk of autism, while bleeding in pregnancy was alleged to carry an 81% increased risk.
Last month, it said it would fold its disappointing four-year-old direct (telephone and Internet) arm, Bank 24, into its branch business, and relaunch it as Deutsche Bank 24.
Ultra-Orthodox conscription rates have increased seven-fold in the past four years.
"This stock pretty much went nowhere in the first six years that we held it, only to soar more than six-fold over the past four months, " says Buckingham.
Our compartment had a window, a fold-down table and simple berths for four.
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The people who spent more than four hours in front of screens in their spare time had a 2.3-fold risk of cardiovascular problems compared with those who spent less than two hours.
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