How does Google autocompletethis query?

how long should i

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• 

  

  how long should i

  10,000
• 

  

  how long should i

  9,000
• 

  

  how long should i

  8,000
• 

  

  how long should i

  7,000
• 

  

  how long should i

  6,000
• 

  

  how long should i

  5,000
• 

  

  how long should i

  4,000
• 

  

  how long should i

  3,000
• 

  

  how long should i

  2,000
• 

  

  how long should i

  1,000

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