pple's first fiscal quarter is usually a big one. The way its financial calendar works out, what it considers Q1 ends on Dec. 31, meaning it covers the entire holiday period, as well as maybe a little back-to-school action. But the numbers Apple posted about its most recent Q1 were in an entirely different class than the usual money bender it wakes up from this time of year. One of the biggest drivers for Apple's money train was the iPhone. It sold 37 million units over the last three months of 2011 -- easily a record.