On October 21, 2008, Apple reported that only 14.21% of total revenue for fiscal quarter 4 of year 2008 came from iPods. At the September 9, <answer>2009</answer> keynote presentation at the Apple Event, Phil Schiller announced total cumulative sales of iPods exceeded 220 million. The continual decline of iPod sales since <answer>2009</answer> has not been a surprising trend for the Apple corporation, as Apple CFO Peter Oppenheimer explained in June <answer>2009</answer>: "We expect our traditional MP3 players to decline over time as we cannibalize ourselves with the iPod Touch and the iPhone." Since <answer>2009</answer>, the company's iPod sales have continually decreased every financial quarter and in 2013 a new model was not introduced onto the market.
From what year did iPod purchases begin to continuously decline?
2009