In the last 180 days, the dollar has been gaining in Peru, as this chart shows. Back in September ’08, the dollar was trading at 2.97 Peruvian soles; by March 3, 2009, that rate had spiked to 3.26 soles, leveling at 3.14 by March 17: chart courtesy Exchange-Rates.org Actually, the strengthening of the dollar began before September. In the last 12 months, the sole has depreciated 12.64% against the U.S. dollar, reports the Wall Street Journal. That trend is encouraging for Peruvians and expats who keep their money in dollars. I know I whined in October that the dollar was tanking, but my complaints were short-sighted. If I haven’t been paying enough attention to…