How does Google autocompletethis query?

is my cat

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• 

  

  is my cat

  10,000
• 

  

  is my cat

  9,000
• 

  

  is my cat

  8,000
• 

  

  is my cat

  7,000
• 

  

  is my cat

  6,000
• 

  

  is my cat

  5,000
• 

  

  is my cat

  4,000
• 

  

  is my cat

  3,000
• 

  

  is my cat

  2,000
• 

  

  is my cat

  1,000

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