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An Australian 100 dollar note is shown on October 6, 2009. The Australian dollar surged to a 14-month high in Asia late on October 6 following the Reserve Bank of Australia's decision to raise interest rates, a move that caught some market participants by surprise. AFP PHOTO / Greg WOOD (Photo credit should read GREG WOOD/AFP/Getty Images)

An Australian 100 dollar note is shown on October 6, 2009. The Australian dollar surged to a 14-month high in Asia late on October 6 following the Reserve Bank of Australia's decision to raise interest rates, a move that caught some market participants by surprise.  AFP PHOTO / Greg WOOD (Photo credit should read GREG WOOD/AFP/Getty Images)

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Australian one-hundred dollar banknotes are arranged for a photograph in a money clip in Sydney, Australia, on Thursday, July 24, 2015. The Australian dollar slumped last week as a gauge of Chinese manufacturing unexpectedly contracted, aggravating the impact of declines in copper and iron ore prices. Photographer: Brendon Thorne/Bloomberg via Getty Images

Australian one-hundred dollar banknotes are arranged for a photograph in a money clip in Sydney, Australia, on Thursday, July 24, 2015. The Australian dollar slumped last week as a gauge of Chinese manufacturing unexpectedly contracted, aggravating the impact of declines in copper and iron ore prices. Photographer: Brendon Thorne/Bloomberg via Getty Images

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Australian one-hundred dollar banknotes are arranged for a photograph in Sydney, Australia, on Monday, May 28, 2012. The Australian dollar touched its highest level in almost a week after Greece's New Democracy party, which supports the nation's bailout agreements, led in opinion polls published over the weekend. Photographer: Brendon Thorne/Bloomberg via Getty Images

Australian one-hundred dollar banknotes are arranged for a photograph in Sydney, Australia, on Monday, May 28, 2012. The Australian dollar touched its highest level in almost a week after Greece's New Democracy party, which supports the nation's bailout agreements, led in opinion polls published over the weekend. Photographer: Brendon Thorne/Bloomberg via Getty Images

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Australian one-hundred dollar banknotes are arranged for a photograph in Sydney, Australia, on Monday, May 28, 2012. The Australian dollar touched its highest level in almost a week after Greece's New Democracy party, which supports the nation's bailout agreements, led in opinion polls published over the weekend. Photographer: Brendon Thorne/Bloomberg via Getty Images

Australian one-hundred dollar banknotes are arranged for a photograph in Sydney, Australia, on Monday, May 28, 2012. The Australian dollar touched its highest level in almost a week after Greece's New Democracy party, which supports the nation's bailout agreements, led in opinion polls published over the weekend. Photographer: Brendon Thorne/Bloomberg via Getty Images

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An Australian one-hundred dollar banknote is arranged for a photograph in Sydney, Australia, on Monday, May 28, 2012. The Australian dollar touched its highest level in almost a week after Greece's New Democracy party, which supports the nation's bailout agreements, led in opinion polls published over the weekend. Photographer: Brendon Thorne/Bloomberg via Getty Images

An Australian one-hundred dollar banknote is arranged for a photograph in Sydney, Australia, on Monday, May 28, 2012. The Australian dollar touched its highest level in almost a week after Greece's New Democracy party, which supports the nation's bailout agreements, led in opinion polls published over the weekend. Photographer: Brendon Thorne/Bloomberg via Getty Images