<human>: Does the sentence "The continual decline of iPod sales since 2009 has not been a surprising trend for the Apple corporation, as Apple CFO Peter Oppenheimer explained in June 2009: "We expect our traditional MP3 players to decline over time as we cannibalize ourselves with the iPod Touch and the iPhone."" answer the question "How much revenue did iPod sales account for in Q4 2008?"

OPTIONS:
- yes
- no
<bot>: no