Some examples and use cases from the internet:

Some examples and use cases from the internet:

• Jun 26, 2015 ... Correspondingly, trade and investment within Africa has doubled while Africa's trade with the rest of the world has increased by 200 percent.
• Jul 19, 2015 ... ... attendance in South Africa has doubled. Though the price tag is high, the dramatic increase shows a demand for better education in Africa.
• 1980s the number of poor in Africa has doubled to some.
• Sep 28, 2015 ... Within two decades, the economy of Sub
• Sep 4, 2005 ... world population, roughly 30% of the world's poor are Africans. Since the mid
• Saharan Africa has doubled in size to more than $1 trillion. Inflation is down and debt is increasingly ...

• Jan 18, 2016 ... Man
• made heat energy absorbed by the seas has doubled since 1997, a study released Monday showed. Scientists have long ...
• Jan 18, 2016 ... The amount of man
• made heat put into the world's oceans has DOUBLED since 1997: Energy absorbed equivalent to Hiroshima bomb being exploded every ...
• 2 days ago ... The number of blizzards has DOUBLED in the past 20 years: Scientists blame global warming and sunspots for rise in storms. From 1960
• 94 ...
• logo1 The World Health Organization (WHO) on Monday  ...
• Childhood Obesity has DOUBLED in Africa – WHO. 26.01.2016 at 8:57 am By NAN 3 Comments · who