He said President Obama's prescription over the last four years had been stimulus, so-called "Obamacare" and clean energy.
Its previous forecast for the next four years had the PC market growing by 1.9% per year until 2017 to 382 million units.
Former smokers who had stayed away from tobacco for more than four years had a 54% lower risk of heart and artery disease than smokers.
They found that women who had used tamoxifen for between two and four years had a reduced risk of developing a second cancer in the other breast.
As Mr Hickey points out, a factory that Sealed Air opened in Mexico was expected to be far less productive than one in America, but within four years had caught up.
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In a statement, the BBC said Ms Granger was "an experienced expert in human resources issues" who, for the past four years had worked as a consultant and executive coach with a "range of public and private sector clients".
The court also heard Russell, a mother-of-three who had been with Castle for four years, had "turned a blind eye" to her partner's actions and "reaped the benefits" from them.
The police force four years ago had a crude 'simulator' in the form of a wooden maze which was barely transportable.
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The two fire authorities, who are both facing 12% cuts to their budgets over four years, had considered joining up in the hope of saving money.
Mr Williams said that authorities which were inspected four years ago had improved, but overall he was not happy with the picture that emerged from his study.
But in the next four years he had the pleasure of proving them wrong--and showing how an STM could virtually excavate the structure of materials such as semiconductors and superconductors.
In just four years she had bridged the cultural divide between Africa and Europe and began studying political science with the creme de la creme of Dutch society at the University of Leiden.
Two ancient palms had once grown in his own front garden, but four years ago Nava had insisted that they be cut down, because the swish of their fronds against the bedroom window kept her awake at night and filled her with sorrow.
At the time he had admitted that he had been "obsessing about every detail of Life of Pi, " for four years and it had "completely consumed" him.
She had done pre-med for four years, but she had to start all over again, training herself on practice mops and sweeping the dirt around on the ground at the CFA summer institute in Phoenix.
Four years ago I had the privilege of meeting Abby and her family and she has changed my life.
Alabama has now won three national titles in the last four years, which had some calling them a dynasty.
Even though the house had been newly decorated when they bought it, four years earlier, Suzie had redone every room.
Gardner joined the club four years ago and had been chairman for two years, overseeing the move to a new stadium.
David Black of the financial consultancy Defaqto, said that for the past four years, banks had been much more cautious about who they will lend to.
Europe's bankers have had four years to develop a European payments area on their own and they had better produce something soon, he said in Luxembourg.
Wind the clock back just over four years and Fernandez had arrived in the United States to considerable fanfare after a standout performance for his beloved Spain in China.
Clinton was not just the most popular member of the president's Cabinet for the past four years, she had celebrity status and respect almost everywhere she went around the world.
Portugal, semi-finalists in Germany four years ago, had Ricardo Costa sent off for an off-the-ball clash with Joan Capdevila before the end but by then their fate already looked sealed.
On one side of the debate is the woman who turned up at the airport to celebrate the flight coming in because four years ago she had been trapped on Lewis on a Sunday, unable to travel to see her brother who was dying of a cerebral haemorrhage.
This was January 31, 1999, and at that point I had been playing for eight years in the NFL. Before that, I had played four years of college football.
Coincidentally, Greenberg had hired the same expert four years earlier, and he had singled out 108 bottles with questionable authenticity.
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Republican enthusiasm was far higher in 2012 than it had been four years earlier, and indications were that Democratic enthusiasm had slipped.
Mrs Ege told the jury Yaseen had been studying the Koran since he was four years old and his teacher had told her the boy was doing well.
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