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2010 fiscal year | Video Game Sales Wiki | Fandom
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Gamasutra - NPD: Behind the Numbers, February 2010
PSP Sales Are Up Year After Year | by Sohrab Osati | Sony Reconsidered
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The first 2 years: PSP has sold better in the US than PS1, DS, more | Engadget
PSP lifetime unit sales by region 2022 | Statista
